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Magnesio-hornblende

A valid IMA mineral species
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04911720015477620575586.jpg
Magnesio-hornblende

Traversella Mine, Traversella, Metropolitan City of Turin, Piedmont, Italy
08093970015477619588808.jpg
Magnesio-hornblende, etc.

Montenero Quarry, Onano, Viterbo Province, Lazio, Italy
01960320014946246716402.jpg
Magnesio-hornblende

Burk's Falls highway roadcuts, Armour Township, Parry Sound District, Ontario, Canada
03134810014977620174314.jpg
Magnesio-hornblende

Traversella Mine, Traversella, Metropolitan City of Turin, Piedmont, Italy
02889290015146303308974.jpg
Magnesio-hornblende, etc.

Montenero Quarry, Onano, Viterbo Province, Lazio, Italy
07840770015141933212418.jpg
Magnesio-hornblende

Burk's Falls highway roadcuts, Armour Township, Parry Sound District, Ontario, Canada
03134810014977620174314.jpg
Magnesio-hornblende

Traversella Mine, Traversella, Metropolitan City of Turin, Piedmont, Italy
08093970015477619588808.jpg
Magnesio-hornblende, etc.

Montenero Quarry, Onano, Viterbo Province, Lazio, Italy
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About Magnesio-hornblendeHide

Formula:
◻Ca2(Mg4Al)(Si7Al)O22(OH)2
Defined as a an amphibole in the magnesiohornblende group of the Calcium subgroup with Mg>Fe2+ and Al>Fe3+ in the C position and with (OH) as the dominant anion in the W position.
Colour:
Medium green to dark green to green-black to black, brown
Lustre:
Vitreous
Hardness:
5 - 6
Specific Gravity:
3.137 (Calculated)
Crystal System:
Monoclinic
Name:
For its high magnesium content, indicating Mg2+ as a dominant cation and relationship with hornblende. The latter name hornblende was first used by 1789 by Abraham Gottlieb Werner from an old German term for dark minerals with no ore value and from "blende", meaning to deceive in allusion to it occurring in ore deposits but not yielding any metal.
Amphibole Supergroup. Calcium Amphibole Subgroup.

Forms a series with ferro-hornblende.
May also grade into tremolite or actinolite.




Unique IdentifiersHide

Mindat ID:
2524
Long-form identifier:
mindat:1:1:2524:5
GUID
(UUID V4):
63e73a76-3ac9-417e-b94e-cb4373aa3077

IMA Classification of Magnesio-hornblendeHide

IMA status:
Approved
IMA status notes:
Redefined by the IMA
Approval year:
2017
First published:
2018
Approval history:
Approved as a valid species by IMA in 1978, as magnesio-hornblende. Redefined by IMA in 2012, special procedure.
Definition of type specimen and locality (IMA No. 2017-059) with the sand dunes of Lüderitz (Namibia) as type locality.
Type description reference:
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E. (2018): Magnesio-hornblende from Lüderitz (Namibia): mineral description and crystal chemistry. Mineralogical Magazine, 82: 1253–1259

Classification of Magnesio-hornblendeHide

Strunz-mindat (2024):
9.DE.10

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Hey's CIM Ref.:
16.23.6

16 : Silicates Containing Aluminum and other Metals
23 : Aluminosilicates of Fe, Ca, and Mg

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
MhblIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Mg-HblSiivolam & Schmid (2007)Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
MhbWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
MhbThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of Magnesio-hornblendeHide

Lustre:
Vitreous
Colour:
Medium green to dark green to green-black to black, brown
Streak:
Pale grey-green, grey-white
Hardness:
5 - 6 on Mohs scale
Cleavage:
Perfect
on {110}
Density:
3.137 g/cm3 (Calculated)

Optical Data of Magnesio-hornblendeHide

Type:
Biaxial (-)
RI values:
nα = 1.616 - 1.680 nβ = 1.626 - 1.695 nγ = 1.636 - 1.700
2V:
Measured: 66° to 85°, Calculated: 58° to 88°
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v or r < v
Pleochroism:
Visible
Comments:
(X – pale yellow < Y – bluish green < Z – dark green

Chemistry of Magnesio-hornblendeHide

Mindat Formula:
◻Ca2(Mg4Al)(Si7Al)O22(OH)2

Defined as a an amphibole in the magnesiohornblende group of the Calcium subgroup with Mg>Fe2+ and Al>Fe3+ in the C position and with (OH) as the dominant anion in the W position.
Elements listed:
Al, Ca, H, Mg, O, Si - search for minerals with similar chemistry
Common Impurities:
Ti,Mn,Na,K,Cl,H2O

Age distributionHide

Recorded ages:
Anthropocene : 0 Ma to 38 Ma - based on 7 recorded ages.

Chemical AnalysisHide

Oxide wt%:
 1234567
SiO248.15 %44.45 %42.91 %58.66 %47.89 %48.22 %49.7 %
TiO20.3 %0.33 %0.15 %0.09 %0 %0.32 %0.32 %
Al2O310.22 %13.13 %14.70 %3.37 %9.19 %10.71 %10.53 %
MnO0.18 %0.33 %0.06 %0.1 %0 %0.12 % %
FeO10.66 %14.61 %20.29 %7.03 %14.13 %8.23 %0.8 %
MgO14.28 %11.62 %6.05 %16.48 %13.32 %15.6 %20.57 %
CaO11..51 %11.43 %8.94 %10.20 %10.97 %10.34 %12.59 %
Na2O1.59 %1.46 %3.67 %2.07 %2.13 %2.98 %1.55 %
K2O0.29 %0.98 %0.34 %0.11 %0 %0.29 %0.14 %
Cr2O3 %0.03 %0 %0.02 % %0.01 % %
NiO %0.08 % % % %0 %0.01 %
H2O % %1.97 %2.18 % % %2.02 %
Fe2O3 % % %0 % % % %
BaO % % %0 % % % %
F % % % %0.34 %0.17 %0.25 %
Cl % % % % %0.23 %0.03 %
ZrO % % % % % %0.08 %
Total:96.67 %98.45 %99.08 %100.31 %97.97 %97.22 %98.59 %
Empirical formulas:
Sample IDEmpirical Formula
1(Na0.283K0.053)Σ0.336 (Ca1.775Na0.16Fe0.043Mn0.022)Σ2 (Mg3.064Fe2+1.01Al0.663Fe3+0.23Ti0.032)Σ4.999 (Si6.93Al1.07)Σ8 O22 ((OH)1.935O0.065)Σ2
Sample references:
IDLocalityReferenceNotes
1Engebøfjellet Eclogite Deposit, Naustdal, Sunnfjord, Vestland, Norway
Braathen, Alvar, Erambert, Muriel (2014) Structural and metamorphic history of the Engebøfjellet Eclogite and the exhumation of the Western Gneiss Region, Norway. Norwegian Journal of Geology - Norsk Geologisk Tidsskrift, 94 (1) 53-76
Retrograde amphibole as rims on clinopyroxene Formula normalized by use of Locock, A. J. (2014). An Excel spreadsheet to classify chemical analyses of amphiboles following the IMA 2012 recommendations. Computers & Geosciences, 62, 1-11.
2Shuanghe, Qianshan City, Anqing, Anhui, China
Bolin, C., Mingguo, Z., Carswell, D. A., Wilson, R. N., Qingchen, W., Zhongyan, Z., & Windley, B. F. (1995). Petrogenesis of ultrahigh-pressure rocks and their country rocks at Shuanghe in Dabieshan, central China. European Journal of Mineralogy, 7(1), 119-138.
Epidote - two mica schist. ( retrograded eclogite). Magnesio-hornblende is the dominant amphibole in this rock.
3Akeyazhi River valley, Yili Hasake Autonomous Prefecture, Xinjiang, China
Gao, J., Klemd, R., Zhang, L., Wang, Z., & Xiao, X. (1999). PT path of high-pressure/low-temperature rocks and tectonic implications in the western Tianshan Mountains, NW China. Journal of Metamorphic Geology, 17, 621-636.
Sample from eclogite
4Sierra de las Minas, Motagua Valley, Guatemala
Harlow, G. E., Sisson, V. B., & Sorensen, S. S. (2011). Jadeitite from Guatemala: new observations and distinctions among multiple occurrences. Geologica Acta, 363-387.
Sample form a late vein in a retrograded jadeitite
5Changpu, Yuexi County, Anqing, Anhui, China
Proyer, A., Rolfo, F., Castelli, D., & Compagnoni, R. (2014). Diffusion-controlled metamorphic reaction textures in an ultrahigh-pressure impure calcite marble from Dabie Shan, China. European Journal of Mineralogy, 26(1), 25-40.
Sample from a corona around omphacite from a retrograded eclogite
6Betic ophiolite, Cóbdar, Almería, Andalusia, Spain
Puga, E., Cruz, M. D. R., & De Federico, A. D. (2002). Polymetamorphic amphibole veins in metabasalts from the Betic Ophiolitic Association at Cobdar, southeastern Spain: Relics of ocean-floor metamorphism preserved through the Alpine orogeny. The Canadian Mineralogist, 40(1), 67-83.
Sample from a metabasalt
7Lục Yên District, Yên Bái Province, Vietnam
Garnier, V., Ohnenstetter, D., Giuliani, G., Maluski, H., Deloule, E., Trong, T. P., ... & Hoa?ng Quang, V. (2005). Age and significance of ruby-bearing marble from the Red River Shear Zone, northern Vietnam. The Canadian Mineralogist, 43(4), 1315-1329.

Crystallography of Magnesio-hornblendeHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.8307(7) Å, b = 18.0659(11) Å, c = 5.2968(4) Å
β = 104.771(6)°
Ratio:
a:b:c = 0.544 : 1 : 0.293
Unit Cell V:
909.63 ų (Calculated from Unit Cell)
Z:
2
Comment:
Unit-cell parameters from the IMA approval of 2017.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.709 Å(151)
8.412 Å(110)
3.121 Å(310)
2.541 Å(-202)
3.386 Å(131)
2.596 Å(061)
2.338 Å(-351)
2.164 Å(261)
2.941 Å(221)
2.731 Å(-331)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 2: Planetesimal differentiation and alteration4.566-4.550
6 : Secondary asteroid phases4.566-4.560
Stage 3a: Earth’s earliest Hadean crust>4.50
7 : Ultramafic igneous rocks
8 : Mafic igneous rocks
10 : Basalt-hosted zeolite minerals
Stage 3b: Earth’s earliest hydrosphere>4.45
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23)
Stage 4a: Earth’s earliest continental crust>4.4-3.0
19 : Granitic intrusive rocks
20 : Acidic volcanic rocks
Near-surface Processes
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)
26 : Hadean detrital minerals
High-𝑇 alteration and/or metamorphism
31 : Thermally altered carbonate, phosphate, and iron formations
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
35 : Ultra-alkali and agpaitic igneous rocks
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)

Type Occurrence of Magnesio-hornblendeHide

Type Locality:
ⓘ Sand dunes of Lüderitz, Lüderitz, ǃNamiǂNûs Constituency, ǁKaras Region, Namibia
General Appearance of Type Material:
holotype specimen is a friable block of subhedral to anhedral magnesio hornblende crystals up to a few millimeters.
Place of Conservation of Type Material:
Collections of the Museo di Mineralogia, Sistema Museale di Ateneo, University of Pavia, Italy, catalogue number 2017-01
Geological Setting of Type Material:
Sand dunes
Reference:
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E. (2018): Magnesio-hornblende from Lüderitz (Namibia): mineral description and crystal chemistry. Mineralogical Magazine, 82: 1253–1259

Synonyms of Magnesio-hornblendeHide

Other Language Names for Magnesio-hornblendeHide

Relationship of Magnesio-hornblende to other SpeciesHide

Member of:
Hornblende Root Name Group > Calcium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Other Members of this group:
Ferro-ferri-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
Ferro-hornblende◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
Magnesio-ferri-fluoro-hornblende◻Ca2(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
Magnesio-ferri-hornblende◻Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2Mon. 2/m : B2/m
Magnesio-fluoro-hornblende◻Ca2Mg5(AlSi7O22)F2

Common AssociatesHide

Associated Minerals Based on Photo Data:
18 photos of Magnesio-hornblende associated with TitaniteCaTi(SiO4)O
10 photos of Magnesio-hornblende associated with MagnetiteFe2+Fe3+2O4
8 photos of Magnesio-hornblende associated with PyrrhotiteFe1-xS
8 photos of Magnesio-hornblende associated with CalciteCaCO3
5 photos of Magnesio-hornblende associated with Phillipsite-K(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
4 photos of Magnesio-hornblende associated with GrossularCa3Al2(SiO4)3
4 photos of Magnesio-hornblende associated with Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
4 photos of Magnesio-hornblende associated with Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
4 photos of Magnesio-hornblende associated with PyriteFeS2
3 photos of Magnesio-hornblende associated with BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Related Minerals - Strunz-mindat GroupingHide

9.DE.Clino-suenoite◻{Mn2+2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.Scandio-winchite◻(NaCa)(Mg4Sc)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.Mangani-eckermanniteNaNa2(Mg4Mn3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.05Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Clino-holmquistite Root Name Group◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2Mon.
9.DE.05Grunerite◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Permanganogrunerite◻{Mn2+2}{Mn2+5}(Si8O22)(OH)2Mon.
9.DE.05Ferri-fluoro-leakeite{Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-tschermakite◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10Ferri-tschermakite◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10Ferro-actinolite◻Ca2Fe2+5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-hornblende◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10Ferro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10JoesmithitePb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2Mon. 2/m : P2/b
9.DE.10Tremolite◻Ca2Mg5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10CannilloiteCaCa2(Mg4Al)(Si5Al3O22)OH2Mon.
9.DE.10Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2Mon. 2/m : B2/m
9.DE.10Parvo-manganotremolite◻{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-tremolite◻Ca2Mg5(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Magnesio-fluoro-hornblende◻Ca2Mg5(AlSi7O22)F2
9.DE.10Ferro-fluoro-hornblende◻Ca2(Fe2+4Al)(AlSi7O22)F2
9.DE.10Ferro-ferri-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.10Magnesio-ferri-hornblende◻Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2Mon. 2/m : B2/m
9.DE.10Ferro-cannilloiteCaCa2(Fe2+4Al)(Si5Al3O22)OH2
9.DE.10Ferro-ferri-cannilloiteCaCa2(Fe2+4Fe3+)(Si5Al3O22)OH2
9.DE.10Ferro-fluoro-actinolite◻{Ca2}{Fe5}(Si8O22)F2
9.DE.10Magnesio-ferri-fluoro-hornblende◻Ca2(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-fluoro-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)F2
9.DE.10Ferri-fluoro-tschermakite◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)F2
9.DE.10Ferro-ferri-fluoro-tschermakite◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)F2
9.DE.10Ferro-fluoro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)F2
9.DE.10Fluoro-tschermakite◻{Ca2}{Mg3Al2}(Al2Si6O22)F2
9.DE.10Clino-ferro-suenoite◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2
9.DE.15EdeniteNaCa2Mg5(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-edeniteNaCa2Fe2+5(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-kaersutiteNaCa2{Fe2+3AlTi}(Si6Al2O22)O2Mon.
9.DE.15Ferro-pargasiteNaCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15HastingsiteNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2Mon. 2/m : B2/m
9.DE.15Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2Mon.
9.DE.15Fluoro-edeniteNaCa2Mg5(Si7Al)O22F2Mon. 2/m : P2/m
9.DE.15Potassic-ferro-ferri-sadanagaite{K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon. 2/m : B2/m
9.DE.15Ferro-ferri-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon.
9.DE.15Potassic-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2Mon. 2
9.DE.15Potassic-pargasiteKCa2(Mg4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2Mon.
9.DE.15Magnesio-fluoro-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Ferro-chloro-pargasiteNaCa2(Fe2+4Al)(Al2Si6O22)Cl2
9.DE.15Potassic-fluoro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Potassic-chloro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Fluoro-pargasiteNaCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Parvo-mangano-edenite{Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.15Fluoro-hastingsiteNaCa2(Fe2+4Fe3+)(Al2Si6O22)F2
9.DE.15Potassic-chloro-pargasiteKCa2(Mg4Al)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Ferro-fluoro-pargasite(Na)(Ca2)(Fe2+4Al)(Al2Si6O22)F2
9.DE.15Potassic-ferro-chloro-edeniteKCa2Fe2+5(AlSi7O22)Cl2
9.DE.15Potassic-magnesio-hastingsiteKCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-pargasiteKCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-hastingsiteKCa2(Fe2+4Fe3+)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.15Chromio-pargasiteNaCa2(Mg4Cr)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Potassic-fluoro-pargasiteKCa2(Mg4Al)(Si6Al2)O22F2Mon. 2/m : B2/m
9.DE.15Ferri-kaersutiteNaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 Mon. 2/m : B2/m
9.DE.15Ferro-fluoro-edeniteNaCa2Fe2+5(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.15Ferri-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
9.DE.15Ferro-sadanagaite{Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2
9.DE.15Ferri-fluoro-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)F2
9.DE.15Ferro-ferri-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)F2
9.DE.15Ferro-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2
9.DE.15Fluoro-sadanagaite{Na}{Ca2}{Mg3Al2}(Al3Si5O22)F2
9.DE.15Potassic-chloro-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)Cl2
9.DE.15Potassic-ferro-chloro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)Cl2
9.DE.15Oxo-magnesio-hastingsiteNaCa2(Mg3(Fe3+2-x,Tix))5(Si6Al2O22)O2Mon. 2/m : B2/m
9.DE.15Unnamed (F-dominant analogue of Ferri-kaersutite)(Na,K)Ca2[Mg3(Fe3+,Fe2+)Ti](Si6Al2O22)(F,O)2Mon. 2/m : B2/m
9.DE.15Vanadio-pargasiteNaCa2(Mg3+4V)(Al2Si6)O22(OH)2Mon. 2/m : B2/m
9.DE.15Mangani-pargasiteNaCa2(Mg4Mn3+)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.20Potassic-ferro-ferri-katophorite{K}{CaNa}{Fe2+4Fe3+}[(AlSi7)O22](OH)2
9.DE.20Ferro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-ferri-barroisite◻(CaNa)(Fe2+3Fe3+2)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-winchite◻[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2
9.DE.20Ferri-barroisite◻(CaNa)(Mg3Fe3+2)(AlSi7O22)(OH)2
9.DE.20Ferro-ferri-taramiteNa(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2
9.DE.20Ferro-ferri-katophoriteNa(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-barroisite◻{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-winchite ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2Mon.
9.DE.20Ferro-katophorite{Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Ferri-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-taramiteNa(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Magnesiotaramite{Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2Mon.
9.DE.20RichteriteNa(NaCa)Mg5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20TaramiteNa(CaNa)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m : B2/m
9.DE.20Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
9.DE.20Potassic-fluoro-richterite{K}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m : B2/m
9.DE.20Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Potassic-fluoro-katophoriteK(CaNa)(Mg4Al)(AlSi7O22)F2
9.DE.20Ferro-fluoro-katophoriteNa(CaNa)(Fe2+4Al)(AlSi7O22)F2
9.DE.20Ferro-ferri-fluoro-katophoriteNa(CaNa)(Fe2+4Fe3+)(AlSi7O22)F2Mon.
9.DE.20Ferri-ghoseite◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-winchite◻(NaCa)(Mg4Fe3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2Mon. 2/m : B2/m
9.DE.20Ferro-fluoro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)F2
9.DE.20Fluoro-katophoriteNa(CaNa)(Mg4Al)(AlSi7O22)F2Mon.
9.DE.20Potassic-ferri-katophoriteK(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2
9.DE.20Potassic-ferro-richterite{K}{CaNa}{Fe2+5}Si8O22(OH)2
9.DE.20Ferri-fluoro-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.20Potassic-ferro-taramiteK{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-winchite◻{CaNa}{Mg4Al}(Si8O22)F2
9.DE.20Ferro-fluoro-winchite◻{CaNa}{Fe2+4Al}(Si8O22)F2
9.DE.20Ferri-fluoro-barroisite◻{CaNa}{Mg3Fe3+2}(AlSi7O22)F2
9.DE.20Ferro-fluoro-barroisite◻{CaNa}{Fe2+3Al2}(AlSi7O22)F2
9.DE.20Ferro-ferri-fluoro-barroisite◻{CaNa}{Fe2+3Fe3+2}(AlSi7O22)F2
9.DE.20Fluoro-barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)F2
9.DE.20Ferri-fluoro-taramiteNa(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2
9.DE.20Ferro-ferri-fluoro-taramiteNa(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2
9.DE.20Ferro-fluoro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)F2
9.DE.20Potassic-ferri-taramiteK(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)
9.DE.20Ghoseite◻[Mn2+Na][Mg4Al]Si8O22(OH)2
9.DE.20Potassic-ferro-ferri-taramiteK(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Clinoferroholmquistite◻Li2[Fe2+3Al2]Si8O22(OH,F)2
9.DE.20Hjalmarite{Na}(NaMn}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25EckermanniteNaNa2(Mg4Al}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-eckermanniteNaNa2(Fe2+4Al)Si8O22(OH)2Mon.
9.DE.25Ferro-glaucophane◻[Na2][Fe2+3Al2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-mangani-leakeite[(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangano-ferri-eckermannite{Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferri-leakeite[Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Magnesio-riebeckite◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2Mon.
9.DE.25Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25NybøiteNaNa2(Mg3Al2)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangano-mangani-ungarettiiteNaNa2(Mn2+2Mn3+3)(Si8O22)O2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-nybøiteNaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.25Clino-ferro-ferri-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferri-nybøiteNaNa2(Mg3Fe3+2](AlSi7O22)(OH)2Mon.
9.DE.25Ferro-ferri-leakeite[Na][Na2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon.
9.DE.25Ferro-ferri-fluoro-leakeiteNa(Na2)(Fe2+2Fe3+2Li)(Si8O22)(F)2Mon. 2/m : B2/m
9.DE.25Sodic-ferri-clinoferroholmquistiteNa0.5{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2Mon.
9.DE.25Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2Mon. 2/m : B2/m
9.DE.25Ferri-pedrizite[Na][Li2][Mg2Fe3+2Li]Si8O22(OH)2Mon.
9.DE.25Potassic-ferri-leakeite[K][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Fluoro-nybøiteNaNa2(Mg3Al2)(AlSi7O22)(F,OH)2Mon. 2/m : B2/m
9.DE.25Mangano-ferri-fluoro-leakeiteNaNa2(Mn2+2Fe3+2Li)[Si8O22]F2Mon.
9.DE.25Clino-fluoro-holmquistite◻{Li2}{Mg3Al2}(Si8O22)F2
9.DE.25Mangani-dellaventuraiteNaNa2(MgMn3+2Ti4+Li)Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-pedriziteNaLi2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Potassic-arfvedsonite[(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Mangani-obertiiteNaNa2(Mg3Mn3+Ti4+)Si8O22O2Mon. 2/m : B2/m
9.DE.25Ferro-nybøiteNaNa2(Fe2+3Al2)(AlSi7)O22(OH)2Mon.
9.DE.25Clino-sodic-fluoro-holmquistite{Na}{Li2}{Mg4Al}(Si8O22)F2
9.DE.25Potassic-magnesio-fluoro-arfvedsonite[(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2]Mon. 2/m : B2/m
9.DE.25Ferro-ferri-pedrizite[Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Potassic-magnesio-arfvedsonite[K][Na2][Mg4Fe3+]Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-fluoro-glaucophane◻[Na2][Fe2+3Al2]Si8O22F2
9.DE.25PedriziteNaLi2(LiMg2Al2)(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-pedriziteNaLi2(Fe2+2Al2Li)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.25Ferro-fluoro-pedriziteNa(Li2)(Fe2+2Al2Li)[Si8O22]F2Mon. 2/m : B2/m
9.DE.25Fluoro-leakeiteNaNa2(Mg2Al2Li)(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Ferro-ferri-obertiiteNaNa2(Fe2+3Fe3+Ti)Si8O22O2Mon. 2/m : B2/m
9.DE.25Fluoro-glaucophane◻[Na2][Mg3Al2]Si8O22F2
9.DE.25Fluoro-riebeckite◻{Na2}{Fe2+3Fe3+2}(Si8O22)F2Mon. 2/m : B2/m
9.DE.25Magnesio-fluoro-riebeckite◻{Na2}{Mg3Fe3+2}(Si8O22)F2
9.DE.25Fluoro-eckermanniteNaNa2(Mg4Al}Si8O22F2
9.DE.25Ferro-fluoro-eckermanniteNaNa2(Fe2+4Al}Si8O22F2
9.DE.25Fluoro-arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22F2
9.DE.25Ferri-fluoro-nybøiteNaNa2(Mg3Fe3+2)(AlSi7O22)F2
9.DE.25Ferro-ferri-fluoro-nybøiteNaNa2(Fe2+3Fe3+2)(AlSi7O22)F2
9.DE.25Ferro-fluoro-nybøiteNaNa2(Fe2+3Al2)(AlSi7O22)F2
9.DE.25Ferro-leakeiteNaNa2(Fe2+2Al2Li)(Si8O22)(OH)2
9.DE.25LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
9.DE.25Potassic-leakeiteKNa2(Mg2Al2Li)(Si8O22)(OH)2
9.DE.25Ferri-fluoro-pedriziteNaLi2(LiMg2Fe3+2)(Si8O22)F2
9.DE.25Ferro-ferri-fluoro-pedriziteNaLi2(LiFe2+2Fe3+2)(Si8O22)F2
9.DE.25Clino-ferro-ferri-fluoro-holmquistite◻{Li2}{Fe2+3Fe3+2}(Si8O22)F2
9.DE.25Clino-ferri-fluoro-holmquistite◻{Li2}{Mg3Fe3+2}(Si8O22)F2
9.DE.25Clino-ferro-fluoro-holmquistite◻{Li2}{Fe2+3Al2}(Si8O22)F2
9.DE.25Ferri-obertiiteNaNa2(Mg3Fe3+Ti)Si8O22O2 Mon. 2/m : B2/m
9.DE.25Oxo-mangani-leakeiteNaNa2(Mn3+4Li)Si8O22O2Mon. 2/m : B2/m
9.DE.25Oxo-pargasiteNaCa2(Mg3(Al2-x,Tix))5(Si6Al2O22)O2
9.DE.25Unnamed (Possible K-analogue of Ferri-obertiite)KNa2((Mg,Fe,Na)3Fe3+(Ti,Fe))Si8O22(O,F)2
9.DE.25Potassic-mangano-mangani-ungarettiiteKNa2(Mn2+2Mn3+3)Si8O22O2
9.DE.25Potassic-jeanlouisiteK(NaCa)(Mg4Ti)Si8O22O2Mon. 2/m : B2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Magnesio-hornblendeHide

References for Magnesio-hornblendeHide

Reference List:
Spear, F.S. (1981) An experimental study of hornblende stability and compositional variability in amphibolite. American Journal of Science: 281: 697-734.
Makino, K., Tomita, K. (1989) Cation distribution in the octahedral sites of hornblendes. American Mineralogist: 74: 1097-1105.
Mandarino, Joseph A. (1998) The Second List of Additions and Corrections to the Glossary of Mineral Species (1995) - The Amphibole Group. The Mineralogical Record, 29 (3) 169-174
Hawthorne, F. C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist, 44 (1) 1-21 doi:10.2113/gscanmin.44.1.1
Ishida, K. (2006) Assignment of infrared OH-stretching bands in calcic amphiboles through deuteration and heat treatment. American Mineralogist, 91 (5) 871-879 doi:10.2138/am.2006.1774
Hawthorne, F. C., Oberti, R., Harlow, G. E., Maresch, W. V., Martin, R. F., Schumacher, J. C., Welch, M. D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist, 97 (11) 2031-2048 doi:10.2138/am.2012.4276
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017, CNMNC Newsletter No 39. Mineralogical Magazine, 81 (5) 1279-1286 doi:10.1180/minmag.2017.081.072
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E. (2018) Magnesio-hornblende from Lüderitz (Namibia): mineral description and crystal chemistry. Mineralogical Magazine: 82: 1253–1259.
Oberti, R., Boiocchi, M., Hawthorne, F.C., Ciriotti, M.E. (2018): Magnesio-hornblende from Lüderitz (Namibia): mineral description and crystal chemistry. Mineralogical Magazine, 82: 1253–1259
(2023) Magnesio-hornblende. Handbook of Mineralogy. Mineralogical Society of America

Localities for Magnesio-hornblendeHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Antarctica
 
  • Eastern Antarctica
    • Adélie Land
Godard et al. (2017)
Australia
 
  • Queensland
    • Cloncurry Shire
      • Selwyn District
Costas Constantinides collection (Ian Graham)
    • North Burnett Region
Buckley et al. (2010)
  • Tasmania
    • Huon Valley municipality
      • Huon-Channel region
Taheri
        • Weld river district
Bottrill et al. (2008)
    • Waratah-Wynyard municipality
      • Corinna-Savage River district
Bottrill & Taheri +1 other reference
  • Western Australia
    • Coolgardie Shire
      • Spargoville
Wilkins et al. (1970)
Austria
 
  • Lower Austria
    • Krems-Land District
      • Gföhl
        • Rastbach
Database „Minerale NÖ“ (A. Thinschmidt and co-workers)
      • Lichtenau im Waldviertel
Götzinger (1987)
    • Melk District
      • Dunkelsteinerwald
        • Gansbach
    • Waidhofen an der Thaya District
      • Raabs an der Thaya
        • Eibenstein an der Thaya
Götzinger et al. (1994)
  • Salzburg
    • Tamsweg District
      • Zederhaus
Niedermayr (1985)
  • Styria
    • Murau District
      • Teufenbach-Katsch
        • Katsch an der Mur
www.markasit070752.ws24.cc (n.d.)
  • Vorarlberg
    • Bludenz District
      • Silbertal
        • Rinder valley (Gafluna valley)
BRANDSTÄTTER (1996)
Bosnia and Herzegovina
 
  • Federation of Bosnia and Herzegovina
    • Zenica-Doboj Canton
      • Doboj
Ustalić et al. (2024)
Brazil
 
  • Goiás
    • Sanclerlândia
Candia et al. (1997)
  • Pará
    • Curionópolis
Villas et al. (2001)
  • Paraíba
    • Catingueira
      • Itajubatiba
Souza Neto et al. (2008)
  • Rio Grande do Norte
    • Lajes
Neto et al. (2008)
Canada
 
  • Manitoba
    • Lynn Lake District
Samson I M et al. (1999)
  • New Brunswick
    • York Co.
      • Prince William Parish
        • Lake George
Lentz +3 other references
  • Newfoundland and Labrador
    • Newfoundland
Pe-Piper et al. (2024)
  • Northwest Territories
    • O'Grady Lake area
Scribner et al. (2018)
  • Nova Scotia
    • Cumberland Co.
Doucette et al. (1997)
    • Halifax Co.
Kontak et al. (1993)
  • Nunavut
    • Qikiqtaaluk Region
      • Baffin Island
181. +1 other reference
  • Ontario
    • Algoma District
www.venuewest.com/8IKC/s1post.htm.
    • Greater Sudbury
      • Capreol Township
Péntek et al. (2013)
      • Levack Township
McCormick et al. (1999)
    • Hastings County
      • Faraday Township
Bernard et al. (2004)
Ontario MDI Number: MDI31E01SE00054 +1 other reference
      • Town of Bancroft
        • Dungannon Township
Tilley
    • Kenora District
      • Zealand Township
Brand
    • Lanark County
Bernard et al. (2004)
Bernard et al. (2004)
    • Parry Sound District
      • Armour Township
Maggie Wilson
    • Rainy River District
Neil T. Pettigrew (2006)
    • Renfrew County
      • Brudenell-Lyndoch-and-Raglan
        • Brudenell Township
Bernard et al. (2004)
    • Thunder Bay District
Mitchell et al. (1993)
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
166-175. +2 other references
    • Nord-du-Québec
      • Baie-James
Diniz (2019)
    • Outaouais
      • Pontiac RCM
Williams (1990)
China
 
  • Anhui
    • Anqing
      • Qianshan City
Bolin et al. (1995) +1 other reference
      • Taihu County
        • Lake Hualiangting
Franz et al. (2001)
      • Yuexi County
Proyer et al. (2014)
        • Wumiao
          • Marble quarry
  • Gansu
    • Jinchang
      • Jinchuan District
Li et al. (2004)
  • Guangdong
    • Qingyuan
      • Yingde City
Lianshun Feng (1986)
    • Yangjiang
      • Yangchun Co.
Zheng et al. (2015)
  • Hainan
    • Tunchang Co.
Deru Xu et al. (2006)
  • Hebei
    • Baoding
      • Laiyuan County
Kan Tu (1986)
    • Zhangjiakou
      • Chongli District
Jian Shao et al. (2004)
  • Henan
    • Pingdingshan
      • Lushan County
Dongyang Zhang et al. (2010)
    • Xinyang
      • Luoshan Co.
        • Sujiahe
Ratschbacher et al. (2006)
  • Inner Mongolia
    • Chifeng City (Ulanhad League; Chifeng Prefecture)
      • Songshan District
Hongquan She et al. (2006)
  • Jiangsu
    • Lianyungang
      • Donghai Co.
Rong Yan and Jianjun Yang (2013)
        • Zhimafang
Zhang et al. (2004)
  • Jiangxi
    • Fuzhou
      • Chongren Co.
Yaohui Jiang et al. (2005)
  • Qinghai
    • Gyêgu Autonomous Prefecture (Yushu Autonomous Prefecture)
      • Zadoi Co. (Zaduo Co.)
Jinhua Hao et al. (2010)
  • Shandong
    • Jining
      • Sishui County
Gufeng Luo et al. (2001)
    • Yantai
      • Laizhou City
Chi et al. (2022)
      • Zhaoyuan City
Jianping Qian et al. (2010)
  • Shanxi
    • Xinzhou
      • Dai Co.
        • Yanmenguan
Songnian Lu et al. (2003)
    • Yuncheng
      • Yuanqu Co.
        • Zhongtiaoshan ore field
Qiu et al. (2017)
  • Tibet
    • Ngari
      • Coqên Co. (Cuoqin Co.)
        • Nixiong Fe-Cu ore field (Nyixung Fe-Cu ore field)
Yushuai Yu et al. (2013)
    • Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture)
      • Nêdong Co. (Naidong Co.; Zedang Co.)
        • Kelu-Chongmuda Cu-Au belt
Lei Chen et al. (2012)
  • Xinjiang
    • Hami Prefecture (Kumul Prefecture; Qumul Prefecture)
      • Yizhou District
        • Baishiquan ore district
Fengmei Chai et al. (2006)
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
Gao et al. (1999)
      • Zhaosu Co.
Xin Liu et al. (2013)
  • Yunnan
    • Dêqên Autonomous Prefecture
      • Shangri-La County
Wang et al. (2022)
    • Honghe
      • Gejiu City
        • Gejiu Sn-polymetallic ore field
Juan Zhang et al. (2012)
Cuba
 
  • Artemisa Province
García-Casco et al. (2003)
Czech Republic
 
  • Central Bohemian Region
    • Kutná Hora District
      • Nové Dvory
    • Příbram District
      • Nový Knín
Šrein +3 other references
  • Karlovy Vary Region
    • Sokolov District
      • Kraslice
Beran (Ag, Au, Co) +2 other references
  • Olomouc Region
    • Šumperk District
      • Loučná nad Desnou
Mücke et al. (2002)
      • Vernířovice
Novotný
Mücke et al. (2002)
Mücke et al. (2002)
Mücke et al. (2002)
Mücke et al. (2002)
Zimák et al. (2018)
  • South Bohemian Region
    • Český Krumlov District
      • Zlatá Koruna
        • Plešovice
Naemura +2 other references
    • Písek District
      • Písek
Houzar et al. (2008)
  • South Moravian Region
    • Brno-Country District
Houzar
  • Vysočina Region
    • Havlíčkův Brod District
      • Borek
Egypt
 
  • New Valley Governorate
    • Lake Nasser
Hassan (2018)
  • Red Sea Governorate
El-Dokouny et al. (2023)
Helmy et al. (2001)
Helmy (2005)
Eur. J. Mineral.
Ethiopia
 
  • Oromia Region
    • West Welega Zone
      • Gimbi
www.env.duke.edu (n.d.)
Europe
 
www.bgd.bg/summanual_2003_2.htm.
  • The Alps
Dobnikar et al. (2002)
Finland
 
  • Kainuu
    • Suomussalmi
Mikkola et al. (2011)
  • Lapland
    • Enontekiö
Sipilä
    • Kittilä
Haapala +2 other references
France
 
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Brioude
        • Azérat
Leblanc et al. (1987)
        • Saint-Cirgues
Bull. Minéral.
        • Saint-Privat-du-Dragon
PERINET F. (2009)
        • Torsiac
          • Lanau
Leblanc et al. (1987)
    • Puy-de-Dôme
      • Issoire
        • Champagnat-le-Jeune
Leblanc et al. (1987)
  • Bourgogne-Franche-Comté
    • Haute-Saône
      • Lure
        • Mélisey
          • Château-Lambert
F. André and J. Béhien
F. André and J. Béhien
F. André and J. Béhien
F. André and J. Béhien
            • Saint-Maurice-sur-Moselle
F. André and J. Béhien
  • French Guiana
    • Arrondissement of Saint-Laurent-du-Maroni
      • Apatou
Bull. Soc. Franç. Minéralo. ...
  • Martinique
    • Arrondissement of Saint-Pierre
      • Le Morne-Vert
Ph. D'arco
  • Occitanie
    • Aveyron
      • Millau
        • Pont-de-Salars
Germany
 
  • Hesse
    • Darmstadt
      • Bergstraße
        • Bensheim
          • Auerbach
SEM-EDS by Joy Desor and Gerhard Möhn
  • Saxony
    • Dresden
XRD and SEM-EDX analysis (T. Witzke)
    • Erzgebirgskreis
      • Jöhstadt
        • Schmalzgrube
www.mineralienatlas.de (n.d.)
Lapis 30 (7/8)
  • Schleswig-Holstein
    • Pinneberg
      • Barmstedt
Wittern (2001)
Greece
 
Garuti et al. (1999)
  • South Aegean
    • Syros
Eur. J. Mineral.
Greenland
 
  • Sermersooq
    • Nuuk
      • Qeqertarsuatsiaat area
        • Allumersat
Williams (1984)
R.F. Dymek and R. Stocking
Windley B.F. et al. (1989)
Guatemala
 
  • Motagua Valley
Harlow (1994) +1 other reference
Hungary
 
  • Baranya County
    • Mohács District
HOM Collection
India
 
  • Karnataka
    • Kolar District
      • Kolar Gold Fields
Narayanan Kutty et al. (1977)
  • Odisha
    • Sundargarh District (Sundergarh District)
Chowdhury et al. (2011)
  • Rajasthan
    • Jaipur district
      • Sikar District
Rout et al. (2022)
  • Tamil Nadu
    • Theni District
Burtseva et al. (2013)
Iran
 
  • East Azerbaijan Province
    • Varzaqan county
Kamali et al. (2018)
Italy
 
  • Emilia-Romagna
    • Modena Province
      • Pavullo nel Frignano
        • Renno
Bertacchini et al. (1999)
  • Lazio
    • Viterbo Province
      • Onano
Analysis by Marco E. Ciriotti
  • Lombardy
    • Sondrio Province
      • Chiesa in Valmalenco
Bedognè et al. (1993)
  • Piedmont
    • Metropolitan City of Turin
      • Traversella
Bonino Franco Luca's Collection
    • Verbano-Cusio-Ossola Province
      • Baceno
        • Devero Alp
Piccoli et al. (2007)
      • Formazza
        • Vallone del Vannino
Piccoli et al. (2007)
  • Sardinia
    • Metropolitan City of Cagliari
      • Sinnai
Franciosi et al. (2019) +1 other reference
    • Sassari Province
      • Golfo Aranci
Gamboni et al. (2006)
      • Olbia
Franceschelli M. et al. (2005) +11 other references
    • South Sardinia Province
Conte et al. (2010)
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • Trento Province (Trentino)
      • Predazzo
Demartin et al. (2006)
Japan
 
  • Ehime Prefecture
    • Niihama City
Kato (2009)
  • Iwate Prefecture
    • Oshu City
      • Esashi ward
Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
  • Kagoshima Prefecture
    • Kagoshima District
      • Tokara Archipelago
Tokiko Tiba (1989)
Tokiko Tiba (1989)
    • Minamikyushu City
Crystal World Co. specimens
  • Nagano Prefecture
    • Suwa District
Alfredo Petrov - private communication
  • Nagasaki Prefecture
    • Shimabara City
Alfredo Petrov collection
  • Osaka Prefecture
    • Higashiosaka City
Nishiyama (1983)
Kazakhstan
 
  • Aktobe Region
    • Kargaly District
      • Kempirsai Cr deposit
        • Main ore field
          • Dzharlybutak Ore Group
Saveliev et al. (2023)
Saveliev et al. (2023)
Liberia
 
  • Bong County
    • Fuamah
      • Bong Town
Leißner (2014)
Madagascar
 
  • Atsimo-Andrefana
    • Benenitra District
      • Ianapera
Andrianjakavah et al. (2009)
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Amerzgane Cercle
        • Anzal Caïdat
Chatir et al. (2022)
Namibia (TL)
 
  • ǁKaras Region
    • ǃNamiǂNûs Constituency
      • Lüderitz
Mineralogical Magazine +1 other reference
New Zealand
 
  • Southland Region
    • Invercargill City
Mossman et al. (2000)
Mossman et al. (2000)
    • Southland District
      • Fiordland National Park
C. M. Ward (1984)
  • Waikato Region
    • Taupo District
Geology and Geophysics +1 other reference
Norway
 
  • Agder
    • Åmli
Nordrum (2003)
    • Risør
      • Akland
Nordrum et al. (2003) +1 other reference
  • Møre og Romsdal
    • Herøy
      • Sørøyane
        • Runde Island
Root et al. (2004)
  • Troms og Finnmark
    • Hasvik
Michalsen (2010)
    • Tromsø
Broska et al. (2014)
  • Vestland
    • Sunnfjord
      • Naustdal
Braathen et al. (2014)
Pakistan
 
  • Khyber Pakhtunkhwa Province
    • Mansehra District
      • Kaghan valley
        • Naran
Eur. J. Mineral.
Papua New Guinea
 
  • Central Province
Gonzalez-Alvarez et al. (2013)
Poland
 
  • Lesser Poland Voivodeship
    • Kraków County
      • Gmina Krzeszowice
Marszałek M. & Czerny J. 2009: ...
    • Tatra County
Ref.: Gawęda A. (Western Tatra Mts.)
  • Lower Silesian Voivodeship
    • Dzierżoniów County
      • Gmina Niemcza
        • Gilów
Gil et al. (2022)
    • Kamienna Góra County
      • Gmina Marciszów
        • Wieściszowice
Oberc-Dziedzic et al. (2011)
    • Kłodzko County
      • Gmina Stronie Śląskie
        • Kletno
Gil et al. (2019)
    • Świdnica County
      • Gmina Świdnica
Maciej Rybicki and Tomasz KrzykawskiContemporary (2014)
Portugal
 
  • Leiria
    • Leiria
      • Monte Redondo e Carreira
Rui Nunes
Romania
 
  • Vâlcea County
    • Valea Românilor
Săbău et al. (2002)
Russia
 
  • Buryatia
    • Okinsky District
Kiseleva et al. (2022)
  • Chukotka Autonomous Okrug
    • Chaunskii District (Chaun)
Nagornaya et al. (2021)
  • Krasnoyarsk Krai
    • Lysanskiy dunite-peridotite-gabbro complex
Barkov et al. (2018)
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
        • Putoran Plateau
          • Noril'sk
            • Talnakh Cu-Ni Deposit
Barkov et al. (2021)
    • Yermakovsky District
Barkov et al. (2018) +2 other references
Barkov et al. (2018)
  • Murmansk Oblast
    • Imandra layered complex (Imandrovsky layered intrusion)
Barkov et al. (2004)
    • Monche tundra intrusion
      • Monchetundra deposit
Vymazalová et al. (2020)
    • Polyarnyy
      • Greater Eastern Litsa ore field
Ivanyuk et al. (2008)
  • Sverdlovsk Oblast
    • Alapayevsky District
      • Alapaevsk Ophiolite
Zaccarini et al. (2016)
    • Nizhneserginsky District
Sharygin et al. (2022)
    • Rezhevsky District
      • Lipovsk pegmatite field
Zap. Vseross. Mineral. Obshch. (2) +1 other reference
Saint Kitts and Nevis
 
Ph. D'arco
Saint Lucia
 
  • Soufriere
Ph. D'arco
Saint Vincent and the Grenadines
 
Ph. D'arco
Slovakia
 
  • Banská Bystrica Region
    • Poltár District
      • Kalinovo
Spišak J.
Radvanec
    • Rimavská Sobota District
Koděra (1986)
Uher P. & Ozdín D.
      • Tisovec
Hurai et al. (2011)
  • Bratislava Region
    • Bratislava
      • Bratislava I
        • Staré Mesto
Ozdín D.
    • Pezinok District
      • Pezinok
Uher P.
  • Košice Region
    • Gelnica District
      • Prakovce
        • Zimná Voda valley
Ružička P. et al. (2017)
    • Rožňava District
      • Rožňava
Ozdín D.
  • Prešov Region
    • Prešov District
      • Fintice
Ďuďa
Solomon Islands
 
  • Central Province
Smith et al. (2009)
Fermor 2011: Ore Deposits in an ...
South Africa
 
  • KwaZulu-Natal
    • Ugu District Municipality
Cairncross et al. (1995)
  • Limpopo
    • Vhembe District Municipality
      • Makhado Local Municipality
        • Louis Trichardt
PMPB Meulenbeld collection
    • Waterberg District Municipality
      • Mogalakwena Local Municipality
        • Mogalakwena
          • Mokopane
Van der Merwe (2011)
Spain
 
  • Andalusia
    • Almería
      • Cóbdar
Puga et al. (2002)
  • Canary Islands
    • Santa Cruz de Tenerife Province
      • Tenerife
        • Santa Cruz de Tenerife
Analyzed by XRD by Dr. Joan Vinals (Barcelona)
  • Catalonia
    • Tarragona
      • Conca de Barberà
        • Vimbodí i Poblet
C. Canet et al.
  • Extremadura
    • Badajoz
      • Monesterio
Tornos et al. (2006) +1 other reference
  • Galicia
    • Pontevedra
      • A Cañiza
Martin-Izard et al. (1995)
  • Murcia
    • Jumilla
      • La Celia lamproite outcrops
Antonio Barahona Ortiz collection
Sweden
 
  • Dalarna County
    • Avesta
      • Folkärna
Lars Bergström (1959)
  • Uppsala County
    • Östhammar
      • Dannemora
Åberg (2015)
  • Värmland County
    • Filipstad
      • Persberg ore district
Östra Värmlands Mineral Society
Switzerland
 
  • Grisons
    • Maloja Region
      • Bregaglia
Stalder et al. (1998)
      • Sils im Engadin/Segl
Stalder et al. (1998)
  • Valais
    • Saint-Maurice
      • Evionnaz
        • Salanfe
Meisser (2012)
    • Sierre
      • Anniviers
        • Ayer
Ansermet (2012)
Taiwan
 
  • Yilan County
    • Suao Township
Huang (2013)
Tanzania
 
  • Dodoma Region
    • Kongwa District
      • Kongwa
 ...
Paul Meulenbeld
UK
 
  • Wales
    • Pembrokeshire
      • Pencaer
Bevins et al. (1993)
USA
 
  • Arizona
    • Cochise County
Butler et al. (1938b) +2 other references
    • Greenlee County
Galbraith (1959) +1 other reference
Galbraith (1959)
    • Pima County
Gilluly (1937) +2 other references
      • Empire Mountains
        • Empire Mining District
          • Hilton (Lead Mountain)
            • Copper Camp
              • Hilton Mines
Galbraith (1959) +1 other reference
Anthony et al. (1995)
Anthony et al. (1995)
    • Pinal County
      • Superior
Galbraith (1959) +1 other reference
  • California
    • Fresno County
      • Coalinga
Tsujimori
  • Colorado
    • Chaffee County
Eckel et al. (1997)
    • Gunnison County
      • White Earth Mining District (Powderhorn Mining District)
Eckel et al. (1997)
    • Routt County
Eckel et al. (1997)
  • Connecticut
    • Fairfield County
      • Trumbull
        • Long Hill
Moritz (n.d.)
Moritz (n.d.)
    • Litchfield County
      • Kent
Moritz (n.d.)
      • Litchfield
Moritz (n.d.)
    • Middlesex County
Moritz (n.d.)
      • Portland
        • Collins Hill
          • Strickland pegmatite
Eric Quinter collection
    • Tolland County
      • Willington
        • West Willington
Ague (1995)
  • Georgia
    • Rabun County
American Mineralogist
  • Maine
    • Cumberland County
      • Harpswell
 ...
    • Oxford County
      • Newry
King et al. (1994) +1 other reference
King et al. (1994) +1 other reference
King et al. (1994) +1 other reference
  • Maryland
    • Montgomery County
      • Rockville
Jonathan Harris Collection
  • Massachusetts
    • Worcester County
      • Bolton
P Cristofono collection
      • Northborough
P Cristofono collection
  • Montana
    • Jefferson County
      • Boulder Batholith
        • Boulder Mining District
          • Boulder
USGS Bulletin 988-G (1953)
  • Nevada
    • Eureka County
Peter G. Vikre (1998)
Castor et al. (2004)
    • Lyon County
      • Singatse Range
        • Yerington Mining District
Runyon (2013)
Runyon (2013)
  • New Jersey
    • Sussex County
      • Franklin
        • Franklin Marble
Betancourt (The Picking Table, Vol. 27)
        • Franklin Mine
FOMS Millsite Committee (1986)
      • Ogdensburg
        • Sterling Hill
Dunn (1995)
      • Sparta Township
        • Franklin Marble
  • New Mexico
    • Socorro County
D.Court collection +1 other reference
  • New York
    • Orange County
      • Town of Warwick
Bernard et al. (2004)
    • Putnam County
      • Town of Philipstown
Marian Lupulescu analyses
    • Rockland County
      • Bear Mountain State Park
Rocks & Minerals 82:472-483 +1 other reference
    • St. Lawrence County
Bernard et al. (2004)
Bernard et al. (2004)
  • North Carolina
Stapor
Stapor
    • Clay County
Nathan Clay Collins (2011)
Ranson W.A and Garihan J.M (1993)
Nathan Clay Collins (2011)
    • Davie County
McSween et al. (1984)
    • Gaston County
Swanson et al. (2012)
GSA Southeastern Section - 60th Annual Meeting (23–25 March 2011)
    • Haywood County
Anderson et al. (2009)
    • Macon County
Nathan Clay Collins (2011)
Collins (2011)
    • Mecklenburg County
McSween Jr et al. (1984)
    • Rowan County
McSween et al. (1984)
Stapor
Self Collected Bruce Osborne
  • Oregon
    • Klamath County
- (Material previously labelled "magnesiohornblende" is now known to be fluoroedenite.)
  • Rhode Island
    • Providence County
      • Burrillville
        • Harrisville
Miller (1971)
Miller (1971)
Miller (1971)
Miller (1971)
AmMin 22:279
      • Lincoln
        • Lime Rock
Michael W. Kieron collection
Miller (1971)
  • South Carolina
Chaumba (2010)
Prince et al. (2004)
    • Spartanburg County
      • Spartanburg
Geological Society of America Special ... +1 other reference
Minerals Unlimited.com
  • Vermont
Rocks & Min. Vol. 71 (1996)
    • Orleans & Lamoille Cos.
      • Lowell & Eden
Levitan (2009)
    • Orleans County
Rocks & Min. Vol. 71 (1996)
Vietnam
 
  • Yên Bái Province
Garnier et al. (2005)
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