Ferri-winchite
A valid IMA mineral species
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About Ferri-winchite
Formula:
◻(NaCa)(Mg4Fe3+)Si8O22(OH)2
The winchite-group minerals are defined as sodium-calcium amphiboles with A(Na+K+ 2Ca)<0.5 apfu and with C(Al+Fe3++2Ti)<1.5 apfu. The W position may contain (OH), F or Cl.
Ferri-winchite is defined with
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: (OH) dominant.
Ferri-winchite is defined with
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: (OH) dominant.
Colour:
Black
Lustre:
Vitreous
Hardness:
5½
Specific Gravity:
3.14 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named for its relationship to winchite and predominant ferric iron. The name follows the amphibole nomenclature. The root name refers to Howard James Winch (1877, Buckhurst Hill, Essex, England - 1964, Essex, England) analytical chemist, mineralogist, metallurgist, and mining engineer with the Kajlidongri quarry, India.
This page provides mineralogical data about Ferri-winchite.
Unique Identifiers
Mindat ID:
27483
Long-form identifier:
mindat:1:1:27483:2
GUID
(UUID V4):
(UUID V4):
a0f03829-875e-4de5-a1bd-a91d1563aad1
IMA Classification of Ferri-winchite
Approved
IMA status notes:
Redefined by the IMA
Approval year:
2004
First published:
2005
Approval history:
Redefined 2012.
Classification of Ferri-winchite
9.DE.20
9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Mineral Symbols
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.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Fwnc | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Fwn | Whitney & 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 |
Pronunciation of Ferri-winchite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Ferri-winchite
Vitreous
Transparency:
Transparent
Colour:
Black
Streak:
Greenish gray
Hardness:
5½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
On {110}, intersecting at ~56º.
On {110}, intersecting at ~56º.
Fracture:
Hackly
Density:
3.14 g/cm3 (Calculated)
Optical Data of Ferri-winchite
Type:
Biaxial (-)
RI values:
nα = 1.670(2) nβ = 1.680(5) nγ = 1.685(6)
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Optical Extinction:
Z = b, optic plane ⊥ (010).
Pleochroism:
Visible
Comments:
Perpendicular to bc plane = bright brownish yellow; Y = lilac; Z = dark blue.
Comments:
Absorption: c = b > ⊥bc;
Chemistry of Ferri-winchite
Mindat Formula:
◻(NaCa)(Mg4Fe3+)Si8O22(OH)2
The winchite-group minerals are defined as sodium-calcium amphiboles with A(Na+K+ 2Ca)<0.5 apfu and with C(Al+Fe3++2Ti)<1.5 apfu. The W position may contain (OH), F or Cl.
Ferri-winchite is defined with
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: (OH) dominant.
The winchite-group minerals are defined as sodium-calcium amphiboles with A(Na+K+ 2Ca)<0.5 apfu and with C(Al+Fe3++2Ti)<1.5 apfu. The W position may contain (OH), F or Cl.
Ferri-winchite is defined with
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: (OH) dominant.
Chemical Analysis
Oxide wt%:
1 | |
---|---|
SiO2 | 54.34 % |
TiO2 | 0.07 % |
A12O3 | 0.79 % |
FeO2 | 11.01 % |
MnO | 0.07 % |
MgO | 17.49 % |
CaO | 7.21 % |
Na2O | 3.17 % |
K2O | 0.23 % |
Cl | 0 % |
F | 0.35 % |
Total: | 94.73 % |
Sample references:
ID | Locality | Reference | Notes |
---|---|---|---|
1 | Mud Tank Vermiculite Mine, Alcoota Station, Central Desert Region, Northern Territory, Australia | Average of 4 analyses from the rim of an amphibole with a magnesio-riebeckite core. Sample from a silica-rich carbonatite. |
Crystallography of Ferri-winchite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.811(6) Å, b = 18.014(6) Å, c = 5.295(4) Å
β = 104.1(6)°
β = 104.1(6)°
Ratio:
a:b:c = 0.545 : 1 : 0.294
Unit Cell V:
908 ų
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
8.42 Å | (100) |
3.391 Å | (10) |
3.268 Å | (13) |
3.116 Å | (60) |
2.800 Å | (10) |
2.711 Å | (20) |
Comments:
From type description
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Ferri-winchite
General Appearance of Type Material:
Needle-shaped crystals.
Place of Conservation of Type Material:
Natural Science Museum of the Ilmen Preserve, Urals Division of the Russian Academy of Sciences, Miass, Russia, #8987.
Geological Setting of Type Material:
Veins cross-cutting pyroxene fenites.
Associated Minerals at Type Locality:
Synonyms of Ferri-winchite
Other Language Names for Ferri-winchite
Relationship of Ferri-winchite to other Species
Member of:
Other Members of this group:
Ferro-ferri-winchite | ◻[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2 | |
Ferro-winchite | ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2 | Mon. |
Fluoro-winchite | ◻{CaNa}{Mg4Al}(Si8O22)F2 | |
Scandio-winchite | ◻(NaCa)(Mg4Sc)(Si8O22)(OH)2 | Mon. 2/m : B2/m |
Winchite | ◻{CaNa}{Mg4Al}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
9.DE. | Clino-suenoite | ◻{Mn2+2}{Mg5}(Si8O22)(OH)2 |
9.DE. | Scandio-winchite | ◻(NaCa)(Mg4Sc)(Si8O22)(OH)2 |
9.DE. | Mangani-eckermannite | NaNa2(Mg4Mn3+)Si8O22(OH)2 |
9.DE.05 | Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
9.DE.05 | Clino-holmquistite Root Name Group | ◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2 |
9.DE.05 | Grunerite | ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
9.DE.05 | Permanganogrunerite | ◻{Mn2+2}{Mn2+5}(Si8O22)(OH)2 |
9.DE.05 | Ferri-fluoro-leakeite | {Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2 |
9.DE.10 | Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
9.DE.10 | Ferro-ferri-tschermakite | ◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2 |
9.DE.10 | Ferri-tschermakite | ◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2 |
9.DE.10 | Ferro-actinolite | ◻Ca2Fe2+5(Si8O22)(OH)2 |
9.DE.10 | Ferro-hornblende | ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2 |
9.DE.10 | Ferro-tschermakite | ◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2 |
9.DE.10 | Joesmithite | Pb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2 |
9.DE.10 | Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
9.DE.10 | Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
9.DE.10 | Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
9.DE.10 | Cannilloite | CaCa2(Mg4Al)(Si5Al3O22)OH2 |
9.DE.10 | Fluoro-cannilloite | CaCa2(Mg4Al)(Si5Al3)O22F2 |
9.DE.10 | Parvo-manganotremolite | ◻{CaMn2+}{Mg5}(Si8O22)(OH)2 |
9.DE.10 | Fluoro-tremolite | ◻Ca2Mg5(Si8O22)F2 |
9.DE.10 | Magnesio-fluoro-hornblende | ◻Ca2Mg5(AlSi7O22)F2 |
9.DE.10 | Ferro-fluoro-hornblende | ◻Ca2(Fe2+4Al)(AlSi7O22)F2 |
9.DE.10 | Ferro-ferri-hornblende | ◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2 |
9.DE.10 | Magnesio-ferri-hornblende | ◻Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2 |
9.DE.10 | Ferro-cannilloite | CaCa2(Fe2+4Al)(Si5Al3O22)OH2 |
9.DE.10 | Ferro-ferri-cannilloite | CaCa2(Fe2+4Fe3+)(Si5Al3O22)OH2 |
9.DE.10 | Ferro-fluoro-actinolite | ◻{Ca2}{Fe5}(Si8O22)F2 |
9.DE.10 | Magnesio-ferri-fluoro-hornblende | ◻Ca2(Mg4Fe3+)(AlSi7O22)F2 |
9.DE.10 | Ferro-ferri-fluoro-hornblende | ◻Ca2(Fe2+4Fe3+)(AlSi7O22)F2 |
9.DE.10 | Ferri-fluoro-tschermakite | ◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)F2 |
9.DE.10 | Ferro-ferri-fluoro-tschermakite | ◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)F2 |
9.DE.10 | Ferro-fluoro-tschermakite | ◻{Ca2}{Fe2+3Al2}(Al2Si6O22)F2 |
9.DE.10 | Fluoro-tschermakite | ◻{Ca2}{Mg3Al2}(Al2Si6O22)F2 |
9.DE.10 | Clino-ferro-suenoite | ◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2 |
9.DE.15 | Edenite | NaCa2Mg5(Si7Al)O22(OH)2 |
9.DE.15 | Ferro-edenite | NaCa2Fe2+5(Si7Al)O22(OH)2 |
9.DE.15 | Ferro-kaersutite | NaCa2{Fe2+3AlTi}(Si6Al2O22)O2 |
9.DE.15 | Ferro-pargasite | NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Hastingsite | NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
9.DE.15 | Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
9.DE.15 | Magnesio-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
9.DE.15 | Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Sadanagaite | {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2 |
9.DE.15 | Fluoro-edenite | NaCa2Mg5(Si7Al)O22F2 |
9.DE.15 | Potassic-ferro-ferri-sadanagaite | {K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
9.DE.15 | Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
9.DE.15 | Potassic-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2 |
9.DE.15 | Potassic-pargasite | KCa2(Mg4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-ferro-sadanagaite | {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2 |
9.DE.15 | Magnesio-fluoro-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22F2 |
9.DE.15 | Ferro-chloro-pargasite | NaCa2(Fe2+4Al)(Al2Si6O22)Cl2 |
9.DE.15 | Potassic-fluoro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22F2 |
9.DE.15 | Potassic-chloro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2 |
9.DE.15 | Fluoro-pargasite | NaCa2(Mg4Al)(Si6Al2)O22F2 |
9.DE.15 | Parvo-mangano-edenite | {Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2 |
9.DE.15 | Fluoro-hastingsite | NaCa2(Fe2+4Fe3+)(Al2Si6O22)F2 |
9.DE.15 | Potassic-chloro-pargasite | KCa2(Mg4Al)(Si6Al2)O22Cl2 |
9.DE.15 | Ferro-fluoro-pargasite | (Na)(Ca2)(Fe2+4Al)(Al2Si6O22)F2 |
9.DE.15 | Potassic-ferro-chloro-edenite | KCa2Fe2+5(AlSi7O22)Cl2 |
9.DE.15 | Potassic-magnesio-hastingsite | KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-ferro-pargasite | KCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-hastingsite | KCa2(Fe2+4Fe3+)(Al2Si6O22)(OH)2 |
9.DE.15 | Chromio-pargasite | NaCa2(Mg4Cr)(Si6Al2)O22(OH)2 |
9.DE.15 | Potassic-fluoro-pargasite | KCa2(Mg4Al)(Si6Al2)O22F2 |
9.DE.15 | Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
9.DE.15 | Ferro-fluoro-edenite | NaCa2Fe2+5(AlSi7O22)F2 |
9.DE.15 | Ferri-sadanagaite | {Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2 |
9.DE.15 | Ferro-sadanagaite | {Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2 |
9.DE.15 | Ferri-fluoro-sadanagaite | {Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)F2 |
9.DE.15 | Ferro-ferri-fluoro-sadanagaite | {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)F2 |
9.DE.15 | Ferro-fluoro-sadanagaite | {Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2 |
9.DE.15 | Fluoro-sadanagaite | {Na}{Ca2}{Mg3Al2}(Al3Si5O22)F2 |
9.DE.15 | Potassic-chloro-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)Cl2 |
9.DE.15 | Potassic-ferro-chloro-sadanagaite | {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)Cl2 |
9.DE.15 | Oxo-magnesio-hastingsite | NaCa2(Mg3(Fe3+2-x,Tix))5(Si6Al2O22)O2 |
9.DE.15 | Unnamed (F-dominant analogue of Ferri-kaersutite) | (Na,K)Ca2[Mg3(Fe3+,Fe2+)Ti](Si6Al2O22)(F,O)2 |
9.DE.15 | Vanadio-pargasite | NaCa2(Mg3+4V)(Al2Si6)O22(OH)2 |
9.DE.15 | Mangani-pargasite | NaCa2(Mg4Mn3+)(Si6Al2)O22(OH)2 |
9.DE.20 | Potassic-ferro-ferri-katophorite | {K}{CaNa}{Fe2+4Fe3+}[(AlSi7)O22](OH)2 |
9.DE.20 | Ferro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2 |
9.DE.20 | Barroisite | ◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2 |
9.DE.20 | Ferro-ferri-barroisite | ◻(CaNa)(Fe2+3Fe3+2)(AlSi7O22)(OH)2 |
9.DE.20 | Ferro-ferri-winchite | ◻[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2 |
9.DE.20 | Ferri-barroisite | ◻(CaNa)(Mg3Fe3+2)(AlSi7O22)(OH)2 |
9.DE.20 | Ferro-ferri-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 |
9.DE.20 | Ferro-ferri-katophorite | Na(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2 |
9.DE.20 | Ferro-barroisite | ◻{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2 |
9.DE.20 | Ferro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2 |
9.DE.20 | Ferro-winchite | ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2 |
9.DE.20 | Ferro-katophorite | {Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2 |
9.DE.20 | Ferri-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2 |
9.DE.20 | Ferri-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2 |
9.DE.20 | Magnesiotaramite | {Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2 |
9.DE.20 | Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
9.DE.20 | Winchite | ◻{CaNa}{Mg4Al}(Si8O22)(OH)2 |
9.DE.20 | Taramite | Na(CaNa)(Mg3Al2)(Al2Si6O22)(OH)2 |
9.DE.20 | Fluoro-richterite | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 |
9.DE.20 | Katophorite | {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2 |
9.DE.20 | Potassic-fluoro-richterite | {K}{CaNa}{Mg5}(Si8O22)(F,OH)2 |
9.DE.20 | Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
9.DE.20 | Potassic-fluoro-katophorite | K(CaNa)(Mg4Al)(AlSi7O22)F2 |
9.DE.20 | Ferro-fluoro-katophorite | Na(CaNa)(Fe2+4Al)(AlSi7O22)F2 |
9.DE.20 | Ferro-ferri-fluoro-katophorite | Na(CaNa)(Fe2+4Fe3+)(AlSi7O22)F2 |
9.DE.20 | Ferri-ghoseite | ◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2 |
9.DE.20 | Fluoro-taramite | {Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2 |
9.DE.20 | Ferro-fluoro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)F2 |
9.DE.20 | Fluoro-katophorite | Na(CaNa)(Mg4Al)(AlSi7O22)F2 |
9.DE.20 | Potassic-ferri-katophorite | K(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2 |
9.DE.20 | Potassic-ferro-richterite | {K}{CaNa}{Fe2+5}Si8O22(OH)2 |
9.DE.20 | Ferri-fluoro-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)F2 |
9.DE.20 | Potassic-ferro-taramite | K{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2 |
9.DE.20 | Fluoro-winchite | ◻{CaNa}{Mg4Al}(Si8O22)F2 |
9.DE.20 | Ferro-fluoro-winchite | ◻{CaNa}{Fe2+4Al}(Si8O22)F2 |
9.DE.20 | Ferri-fluoro-barroisite | ◻{CaNa}{Mg3Fe3+2}(AlSi7O22)F2 |
9.DE.20 | Ferro-fluoro-barroisite | ◻{CaNa}{Fe2+3Al2}(AlSi7O22)F2 |
9.DE.20 | Ferro-ferri-fluoro-barroisite | ◻{CaNa}{Fe2+3Fe3+2}(AlSi7O22)F2 |
9.DE.20 | Fluoro-barroisite | ◻{CaNa}{Mg3Al2}(AlSi7O22)F2 |
9.DE.20 | Ferri-fluoro-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2 |
9.DE.20 | Ferro-ferri-fluoro-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2 |
9.DE.20 | Ferro-fluoro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)F2 |
9.DE.20 | Potassic-ferri-taramite | K(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH) |
9.DE.20 | Ghoseite | ◻[Mn2+Na][Mg4Al]Si8O22(OH)2 |
9.DE.20 | Potassic-ferro-ferri-taramite | K(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 |
9.DE.20 | Clinoferroholmquistite | ◻Li2[Fe2+3Al2]Si8O22(OH,F)2 |
9.DE.20 | Hjalmarite | {Na}(NaMn}{Mg5}Si8O22(OH)2 |
9.DE.25 | Arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
9.DE.25 | Eckermannite | NaNa2(Mg4Al}Si8O22(OH)2 |
9.DE.25 | Ferro-eckermannite | NaNa2(Fe2+4Al)Si8O22(OH)2 |
9.DE.25 | Ferro-glaucophane | ◻[Na2][Fe2+3Al2]Si8O22(OH)2 |
9.DE.25 | Glaucophane | ◻[Na2][Mg3Al2]Si8O22(OH)2 |
9.DE.25 | Potassic-mangani-leakeite | [(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2 |
9.DE.25 | Mangano-ferri-eckermannite | {Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2 |
9.DE.25 | Ferri-leakeite | [Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Magnesio-riebeckite | ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2 |
9.DE.25 | Magnesio-arfvedsonite | {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2 |
9.DE.25 | Nybøite | NaNa2(Mg3Al2)(AlSi7O22)(OH)2 |
9.DE.25 | Riebeckite | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
9.DE.25 | Mangano-mangani-ungarettiite | NaNa2(Mn2+2Mn3+3)(Si8O22)O2 |
9.DE.25 | Ferro-ferri-nybøite | NaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2 |
9.DE.25 | Clino-ferro-ferri-holmquistite | ◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 |
9.DE.25 | Ferri-nybøite | NaNa2(Mg3Fe3+2](AlSi7O22)(OH)2 |
9.DE.25 | Ferro-ferri-leakeite | [Na][Na2][Fe2+2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Ferro-ferri-fluoro-leakeite | Na(Na2)(Fe2+2Fe3+2Li)(Si8O22)(F)2 |
9.DE.25 | Sodic-ferri-clinoferroholmquistite | Na0.5{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 |
9.DE.25 | Magnesio-fluoro-arfvedsonite | [Na][Na2][Mg4Fe3+][Si8O22](F,OH)2 |
9.DE.25 | Ferri-pedrizite | [Na][Li2][Mg2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Potassic-ferri-leakeite | [K][Na2][Mg2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Fluoro-nybøite | NaNa2(Mg3Al2)(AlSi7O22)(F,OH)2 |
9.DE.25 | Mangano-ferri-fluoro-leakeite | NaNa2(Mn2+2Fe3+2Li)[Si8O22]F2 |
9.DE.25 | Clino-fluoro-holmquistite | ◻{Li2}{Mg3Al2}(Si8O22)F2 |
9.DE.25 | Mangani-dellaventuraite | NaNa2(MgMn3+2Ti4+Li)Si8O22O2 |
9.DE.25 | Fluoro-pedrizite | NaLi2(Mg2Al2Li)(Si8O22)F2 |
9.DE.25 | Potassic-arfvedsonite | [(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
9.DE.25 | Mangani-obertiite | NaNa2(Mg3Mn3+Ti4+)Si8O22O2 |
9.DE.25 | Ferro-nybøite | NaNa2(Fe2+3Al2)(AlSi7)O22(OH)2 |
9.DE.25 | Clino-sodic-fluoro-holmquistite | {Na}{Li2}{Mg4Al}(Si8O22)F2 |
9.DE.25 | Potassic-magnesio-fluoro-arfvedsonite | [(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2] |
9.DE.25 | Ferro-ferri-pedrizite | [Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2 |
9.DE.25 | Potassic-magnesio-arfvedsonite | [K][Na2][Mg4Fe3+]Si8O22(OH)2 |
9.DE.25 | Ferro-fluoro-glaucophane | ◻[Na2][Fe2+3Al2]Si8O22F2 |
9.DE.25 | Pedrizite | NaLi2(LiMg2Al2)(Si8O22)(OH)2 |
9.DE.25 | Ferro-pedrizite | NaLi2(Fe2+2Al2Li)Si8O22(OH)2 |
9.DE.25 | Ferro-fluoro-pedrizite | Na(Li2)(Fe2+2Al2Li)[Si8O22]F2 |
9.DE.25 | Fluoro-leakeite | NaNa2(Mg2Al2Li)(Si8O22)F2 |
9.DE.25 | Ferro-ferri-obertiite | NaNa2(Fe2+3Fe3+Ti)Si8O22O2 |
9.DE.25 | Fluoro-glaucophane | ◻[Na2][Mg3Al2]Si8O22F2 |
9.DE.25 | Fluoro-riebeckite | ◻{Na2}{Fe2+3Fe3+2}(Si8O22)F2 |
9.DE.25 | Magnesio-fluoro-riebeckite | ◻{Na2}{Mg3Fe3+2}(Si8O22)F2 |
9.DE.25 | Fluoro-eckermannite | NaNa2(Mg4Al}Si8O22F2 |
9.DE.25 | Ferro-fluoro-eckermannite | NaNa2(Fe2+4Al}Si8O22F2 |
9.DE.25 | Fluoro-arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22F2 |
9.DE.25 | Ferri-fluoro-nybøite | NaNa2(Mg3Fe3+2)(AlSi7O22)F2 |
9.DE.25 | Ferro-ferri-fluoro-nybøite | NaNa2(Fe2+3Fe3+2)(AlSi7O22)F2 |
9.DE.25 | Ferro-fluoro-nybøite | NaNa2(Fe2+3Al2)(AlSi7O22)F2 |
9.DE.25 | Ferro-leakeite | NaNa2(Fe2+2Al2Li)(Si8O22)(OH)2 |
9.DE.25 | Leakeite | NaNa2(Mg2Al2Li)(Si8O22)(OH)2 |
9.DE.25 | Potassic-leakeite | KNa2(Mg2Al2Li)(Si8O22)(OH)2 |
9.DE.25 | Ferri-fluoro-pedrizite | NaLi2(LiMg2Fe3+2)(Si8O22)F2 |
9.DE.25 | Ferro-ferri-fluoro-pedrizite | NaLi2(LiFe2+2Fe3+2)(Si8O22)F2 |
9.DE.25 | Clino-ferro-ferri-fluoro-holmquistite | ◻{Li2}{Fe2+3Fe3+2}(Si8O22)F2 |
9.DE.25 | Clino-ferri-fluoro-holmquistite | ◻{Li2}{Mg3Fe3+2}(Si8O22)F2 |
9.DE.25 | Clino-ferro-fluoro-holmquistite | ◻{Li2}{Fe2+3Al2}(Si8O22)F2 |
9.DE.25 | Ferri-obertiite | NaNa2(Mg3Fe3+Ti)Si8O22O2 |
9.DE.25 | Oxo-mangani-leakeite | NaNa2(Mn3+4Li)Si8O22O2 |
9.DE.25 | Oxo-pargasite | NaCa2(Mg3(Al2-x,Tix))5(Si6Al2O22)O2 |
9.DE.25 | Unnamed (Possible K-analogue of Ferri-obertiite) | KNa2((Mg,Fe,Na)3Fe3+(Ti,Fe))Si8O22(O,F)2 |
9.DE.25 | Potassic-mangano-mangani-ungarettiite | KNa2(Mn2+2Mn3+3)Si8O22O2 |
9.DE.25 | Potassic-jeanlouisite | K(NaCa)(Mg4Ti)Si8O22O2 |
Other Information
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 Ferri-winchite
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https://www.mindat.org/min-27483.html
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References for Ferri-winchite
Reference List:
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
Localities for Ferri-winchite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Australia | |
| Currie et al. (1992) |
| Bottrill +1 other reference |
| R Bottrill (in prep) +1 other reference |
Austria | |
| Kolitsch et al. (2021) |
Bosnia and Herzegovina | |
| Ustalić et al. (2024) |
Canada | |
| Ghent et al. (1990) |
China | |
| Wenyuan Cui and Naixian Zhang (1983) |
| Tianjin Institute of Geology and Mineral Resources (1989) |
Czech Republic | |
| Radková et al. (2021) |
Greece | |
| P. Xypolias et al. (2012) |
India | |
| RRUFF Specimen: R060704 |
| Lewis Leigh Fermor (1904) +3 other references |
| Singh et al. (2023) |
Japan | |
| Nambu et al. (1980) |
Madagascar | |
| RRUFF ID: R060038 |
Oman | |
| El-Shazly et al. (1997) |
Russia (TL) | |
| Bazhenov et al. (2005) |
Chukanov (2014) | |
Slovakia | |
| Martin Števko & Pavol Myšľan |
Sweden | |
| Ulf Nyberg photo & specimen [analyzed ... |
| David Hospital specimen tested by ... |
Switzerland | |
| Roth et al. (2011) |
USA | |
| A piece of blueschist matrix often ... |
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Vishnevye Mountains, Chelyabinsk Oblast, Russia