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Potassic-magnesio-hastingsite

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01826610016093376355738.jpg
Potassic-magnesio-hastingsite, etc.

Greenwood mine, Town of Tuxedo, Orange Co., New York, USA
01826610016093376355738.jpg
Potassic-magnesio-hastingsite, etc.

Greenwood mine, Town of Tuxedo, Orange Co., New York, USA
01826610016093376355738.jpg
Potassic-magnesio-hastingsite, etc.

Greenwood mine, Town of Tuxedo, Orange Co., New York, USA
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About Potassic-magnesio-hastingsiteHide

Formula:
KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Colour:
Green-brown, black
Lustre:
Vitreous
Hardness:
6½
Crystal System:
Monoclinic
Name:
For the hastingsite root name and its potassium and magnesium content.
The hastingsite-group minerals are defined with 0,5 < A(Na+K+2Ca)<1.5 where Na or K is dominant and with the C position occupied by Mg or Fe2+ as dominant divalent ions and 0,5 < C(Al+Fe3+ +2Ti) < 1.5 where Fe3+ is dominant. W may contain (OH),F or Cl.

Potassic-magnesio-hastingsite is defined with:

A position: K dominant
C position: Mg dominant divalent ion
W position: (OH) dominant


Classification of Potassic-magnesio-hastingsiteHide

IMA status:
Approved
Approval year:
2004
Strunz 8th ed.:
8/F.10-135
Strunz 9th ed.:
9.DE.
Nickel-Strunz 10th (pending) ed.:
9.DE.15

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles

Physical Properties of Potassic-magnesio-hastingsiteHide

Lustre:
Vitreous
Colour:
Green-brown, black
Hardness:
6½ on Mohs scale
Hardness:
VHN100=884 - 915 - Vickers
Cleavage:
Very Good
on {110}

Optical Data of Potassic-magnesio-hastingsiteHide

Type:
Biaxial (-)
RI values:
nα = 1.676 - 1.682 nβ = 1.685 - 1.695 nγ = 1.692 - 1.702
2V:
Measured: 58° to 88°
Birefringence:
low
Max Birefringence:
δ = 0.016 - 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Strong
Comments:
α (bright reddish brown-green), β (dark brown-green), γ (very dark bluish green)

Chemical Properties of Potassic-magnesio-hastingsiteHide

Formula:
KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Elements listed:
Al, Ca, Fe, H, K, Mg, O, Si - search for minerals with similar chemistry

Chemical AnalysisHide

Oxide wt%:
 1
SO30.03 %
P2O50.02 %
SiO239.68 %
TiO20.64 %
Al2O311.71 %
Cr2O30.01 %
Fe2O3*9.27 %
FeO*12.86 %
MnO0.25 %
MgO8.23 %
CaO10.80 %
SrO0.01 %
BaO0.03 %
Na2O1.75 %
K2O2.14 %
F1.08 %
Cl1.21 %
[H2O] (by stoichiometry)0.98 %
-O=(F+Cl)-0.73 %
Total:99.97 %
Empirical formulas:
Sample IDEmpirical Formula
1(K0.42Na0.31◻0.27)(Ca1.79Na0.21)(Mg1.89Fe2+1.66Fe3+1.08Al0.26Ti0.07Mn2+0.03)[Si6.12Al1.87O22]([OH]1.01F0.53Cl0.32O0.15)
Sample references:
IDLocalityReferenceNotes
1Greenwood mine, Town of Tuxedo, Orange Co., New York, USAFrank K. Mazdab collection; sample FKM-21; https://www.rockptx.com/fkm-1-to-fkm-25/#FKM-21Fe-oxide-rich metasomatite comprised of dominant potassic-magnesio-hastingsite and abundant magnetite, along with apatite, some orthoclase, and a plagioclase-quartz symplectite; this is a representative amphibole analysis (out of a set of 4).

Crystallography of Potassic-magnesio-hastingsiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.94 Å, b = 18.05 Å, c = 5.33 Å
β = 105.498°
Ratio:
a:b:c = 0.551 : 1 : 0.295
Unit Cell V:
921.52 ų (Calculated from Unit Cell)
Z:
2
Morphology:
anhedral

Type Occurrence of Potassic-magnesio-hastingsiteHide

Type Locality:
ⓘ Aspen Cape, Bol'shoi Ishkul' lake, Chelyabinsk Oblast, Russia
General Appearance of Type Material:
Grains or cleavages up to 3 cm
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow (catalog no. 3188/1).
Geological Setting of Type Material:
Biotite-amphibole gabbro. ТЬеу seem to Ье xenoliths rafted from rocks of the deep levels of the crust.
Associated Minerals at Type Locality:
ZirconTitaniteTitaniferous MagnetiteFassaiteEpidote
CelsianBiotiteApatiteAlbite-Anorthite Series

Synonyms of Potassic-magnesio-hastingsiteHide

Other Language Names for Potassic-magnesio-hastingsiteHide

Relationship of Potassic-magnesio-hastingsite to other SpeciesHide

Member of:
Hastingsite Root Name Group > Calcium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup
Other Members of this group:
Fluoro-hastingsiteNaCa2(Fe2+4Fe3+)(Al2Si6O22)F2
HastingsiteNaCa2(Fe2+4Fe3+)(Si6Al2)O22OH2Mon.
Magnesio-fluoro-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon.
Potassic-chloro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2Mon. 2/m : B2/m
Potassic-fluoro-hastingsiteKCa2(Fe2+4Fe3+)(Si6Al2)O22F2Mon. 2/m : B2/m
Potassic-hastingsiteKCa2(Fe2+4Fe3+)(Al2Si6O22)(OH)2Mon. 2/m : B2/m

Related Minerals - Nickel-Strunz GroupingHide

9.DE.Clino-suenoite◻{Mn2+2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2Mon.
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)Si8O22OH2Mon. 2/m : B2/m
9.DE.10Ferri-tschermakite◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10Ferro-actinolite◻Ca2Fe2+5(Si8O22)OH2Mon.
9.DE.10Ferro-hornblende◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2Mon.
9.DE.10Ferro-tschermakite◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10JoesmithitePb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2Mon.
9.DE.10Magnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10Tremolite◻{Ca2}{Mg5}(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.
9.DE.10Parvo-manganotremolite◻{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-tremolite◻{Ca2}{Mg5}(Si8O22)F2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.15EdeniteNaCa2Mg5(Si7Al)O22OH2Mon.
9.DE.15Ferro-edeniteNaCa2Fe2+5(Si7Al)O22OH2Mon.
9.DE.15Ferro-kaersutiteNaCa2{Fe2+3AlTi}(Si6Al2O22)O2Mon.
9.DE.15Ferro-pargasiteNaCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon.
9.DE.15HastingsiteNaCa2(Fe2+4Fe3+)(Si6Al2)O22OH2Mon.
9.DE.15KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2Mon.
9.DE.15Magnesio-hastingsiteNaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2Mon.
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.
9.DE.15Potassic-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2Mon.
9.DE.15Potassic-pargasiteKCa2(Mg4Al)(Si6Al2)O22(OH)2Mon.
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.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.15Potassic-chloro-pargasiteKCa2(Mg4Al)(Si6Al2)O22Cl2Mon. 2/m : B2/m
9.DE.15Potassic-ferro-chloro-edeniteKCa2Fe2+5(AlSi7O22)Cl2
9.DE.15Potassic-ferro-pargasiteKCa2(Fe2+4Al)(Si6Al2)O22(OH)2Mon. 2/m : B2/m
9.DE.15Chromio-pargasite{Na}{Ca2}{Mg4Cr3+}(Al2Si6O22)(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)O2Mon. 2/m : B2/m
9.DE.15Vanadio-pargasiteNaCa2(Mg3+4V)(Al2Si6)O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferro-taramiteNa(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Barroisite◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2Mon.
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.
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.
9.DE.20Ferri-taramiteNa(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2Mon.
9.DE.20Magnesiotaramite{Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2Mon.
9.DE.20Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.20Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2Mon. 2/m
9.DE.20Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.20Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/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.
9.DE.20Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
9.DE.20Ferri-ghoseite◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2Mon. 2/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.20Fluoro-katophoriteNa(CaNa)(Mg4Al)(AlSi7O22)F2Mon.
9.DE.20Ferri-fluoro-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)F2Mon. 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.
9.DE.25Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2Mon.
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.
9.DE.25Ferri-leakeite[Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2Mon.
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.
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.
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.
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.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.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.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.25Ferri-obertiiteNaNa2(Mg3Fe3+Ti)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.

References for Potassic-magnesio-hastingsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Korinevsky, V.G., Korinevsky, E.V. (2006) Potassic-magnesiohastingsite (K,Na)Ca2(Mg,Fe2+)4(Fe3+,Al,Ti)[Si6Al2O22](OH,Cl)2 - the new mineral species of amphiboles. Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva: 135(2): 49-57.
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: 2031-2048.

Internet Links for Potassic-magnesio-hastingsiteHide

Localities for Potassic-magnesio-hastingsiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Antarctica
 
  • Eastern Antarctica
    • Queen Maud Land
Shiraishi, K., Oba, T., Suzuki, M., Ishikawa, K. (1994) Subsilicic magnesian potassium-hastingsite from the Prince Olav Coast, East Antarctica. Mineralogical Magazine, 58:4, 621-627.
Canada
 
  • Yukon
    • Watson Lake mining district
      • St Cyr Range
Gunnar Färber
Czech Republic
 
  • Vysočina Region
    • Žďár nad Sázavou District
Gadas P., Novák M., Cempírek J., Filip J., Vašinová galiová M., Groat L.A., Všianský D. (2014) MINERAL ASSEMBLAGES, COMPOSITIONAL VARIATION, AND CRYSTAL STRUCTURE OF FERUVITIC TOURMALINE FROM A CONTAMINATED ANATECTIC PEGMATITE AT MIROŠOV NEAR STRÁŽEK, MOLDANUBIAN ZONE, CZECH REPUBLIC . Can Mineral 52: 285-301.
India
 
  • Odisha
    • Jajapur (Jajpur) District
      • Eastern Ghats Belt
Bhattacharya, S., Kar, R., & Moitra, S. (2004). Petrogenesis of granitoid rocks at the northern margin of the Eastern Ghats Mobile Belt and evidence of syn-collisional magmatism. Journal of Earth System Science, 113(4), 543-563.
Russia (TL)
 
  • Chelyabinsk Oblast
    • Bol'shoi Ishkul' lake
ZVMO 135, 2, 49-57 (2006); Кориневский, В. Г., & Кориневский, Е. В. (2006). Калиймагнезиогастингсит (K, Na) Ca 2 (Mg, Fe 2+) 4 (Fe 3+, Al, Т1)[Si 6 А1 2 О 22](ОН, С1) 2-новый минеральный вид амфиболов. Записки Российского минералогического общества, 135(2), 49-57.
USA
 
  • New York
    • Orange Co.
      • Town of Tuxedo
Frank K. Mazdab collection; sample FKM-21; https://www.rockptx.com/fkm-1-to-fkm-25/#FKM-21
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