Fluororichterite Mineral Data

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General Fluororichterite Information

Chemical Formula:

Na(CaNa)Mg5[Si8O22]F2

Composition:

Molecular Weight = 822.25 gm

Sodium 5.59 % Na 7.54 % Na₂O

Calcium 4.87 % Ca 6.82 % CaO

Magnesium 14.78 % Mg 24.51 % MgO

Silicon 27.33 % Si 58.46 % SiO₂

Oxygen 42.81 % O

Fluorine 4.62 % F 4.62 % F

- % F -1.95 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₂CaMg₅(Si₈O₂₂)F₂

IMA Status:

Approved IMA 1993 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).

Name Pronunciation:

Fluororichterite + Pronunciation

Synonym:

IMA1992-020

Fluororichterite Image

Images:

Fluororichterite

Comments: Doubly-terminated, stubby, black fluororichterite crystal.
Location: Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada. Scale: 22x21x15 mm.
© John Betts - Fine Minerals

Fluororichterite Crystallography

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

Crystal Structure:

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Cameron M , Sueno S , Papike J J , Prewitt C T , American Mineralogist , 68 (1983) p.924-943, High temperature crystal chemistry of K and Na fluor-richterites, Na, 24 deg C

View Additional jPOWD Structure files for Fluororichterite
[1] [2] [3] [4] [5] [6] [7] [8]

Optical Properties of Fluororichterite

Optical Data:

Calculated Properties of Fluororichterite

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_{Fluororichterite}= 2.09 barns/electron
U=PE_{Fluororichterite} x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Fluororichterite is Not Radioactive

Fluororichterite Classification

Dana Class:

66.01.03b.09a (66)Inosilicate Double-Width Unbranched Chains, W=2

(66.01)with P=2 amphibole configuration

(66.01.03b)Group 3, the sodic-calcic amphiboles

66.01.03b.01 Winchite [](CaNa)Mg4(Al,Fe3)Si8O22(OH)2 C 2/m 2/m

66.01.03b.01a Parvowinchite Na(NaMn)(Mg4Fe)Si8O22(OH)2 C 2/m 2/m

66.01.03b.02 Ferrowinchite [](CaNa)Fe4(Al,Fe)Si8O22(OH)2 C 2/m 2/m

66.01.03b.03 Ferriwinchite ([],Na)(Na,Ca)2(Mg,Fe)4Fe[Si8O22](OH)2 C 2/m 2/m

66.01.03b.04 Ferroferriwinchite* CaNa(Fe,Mg)4Fe[Si8O22](OH)2 C 2/m 2/m

66.01.03b.05 Barroisite [](CaNa)Mg3AlFeSi7AlO22(OH)2 C 2/m 2/m

66.01.03b.05a Aluminobarroisite! []CaNaMg3Al2(Si7Al)O22(OH)2 C 2/m 2/m

66.01.03b.06 Ferrobarroisite [](CaNa)Fe3AlFeSi7AlO22(OH)2 C 2/m 2/m

66.01.03b.06a Aluminoferrobarroisite! []CaNa(Fe2)3Al2(Si7Al)O22(OH)2 C 2/m 2/m

66.01.03b.07 Ferribarroisite CaNa(Fe,Mg)3Fe2[AlSi7O22](OH)2 C 2/m 2/m

66.01.03b.08 Ferroferribarroisite* CaNa(Fe,Mg)3Fe2[AlSi7O22](OH)2 C 2/m 2/m

66.01.03b.08a Ferri-ferrobarroisite! []CaNa(Fe)3(Fe)2(Si7Al)O22(OH)2 C 2/m 2/m

66.01.03b.09 Richterite Na(CaNa)(Mg,Fe)5[Si8O22](OH)2 C 2/m 2/m

66.01.03b.09a Fluororichterite! Na(CaNa)Mg5[Si8O22]F2 C 2/m 2/m

66.01.03b.09b Potassic-fluororichterite! (K,Na)(CaNa)Mg5[Si8O22]F2 C 2/m 2/m

66.01.03b.09c Potassicrichterite! (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 C 2/m 2/m

66.01.03b.10 Ferrorichterite Na(CaNa)Fe5[Si8O22](OH)2 C 2/m 2/m

66.01.03b.11 Magnesiokatophorite Na(CaNa)Mg4AlSi7AlO22(OH)2 C 2/m 2/m

66.01.03b.12 Katophorite Na(CaNa)Fe4(Al,Fe)Si7AlO22(OH)2 C 2/m 2/m

66.01.03b.13 Magnesioferrikatophorite Na2Ca(Mg,Fe)4FeSi7AlO22(OH)2 C 2/m 2/m

66.01.03b.14 Ferrikatophorite Na2Ca(Fe,Mg)4Fe(Si7Al)O22(OH)2 C 2/m 2/m

66.01.03b.15 Magnesiotaramite Na(CaNa)Mg3ALFe[Si6Al2O22](OH)2 C 2/m 2/m

66.01.03b.15a Aluminotaramite! Na(CaNa)(Fe3Al2)(Si6Al2)O22(OH)2 C 2/m 2/m

66.01.03b.15b Alumino-magnesiotaramite! Na(CaNa)(Mg3Al2)(Si6Al2)O22(OH)2 C 2/m 2/m

66.01.03b.15c Fluoro-alumino-magnesiotaramite! Na(CaNa)(Mg3Al2)(Si6Al2)O22F2 C 2/m 2/m

66.01.03b.16 Taramite Na(CaNa)Fe3AlFe[Si6Al2O22](OH)2 C 2/m 2/m

66.01.03b.17 Ferri-magnesiotaramite! NaCaNaMg3Fe2[Si6Al2O22](OH)2 C 2/m 2/m

66.01.03b.18 Ferritaramite Na(CaNa)(Fe,Mg)3Fe2[Si6Al2O22](OH)2 C 2/m 2/m

66.01.03b.19 Fluoropargasite! NaCa2(Mg3FeAl)5(Si6Al2O22)F2 C 2/m 2/m

66.01.03b.20 Parvo-mangano-edenite! Na(CaMn)2Mg5(Si7Al)O22(OH)2 C 2/m 2/m

66.01.03b.21 Parvo-manganotremolite! [](CaMn)2Mg5(Si7Al)O22(OH)2 C 2/m 2/m

Strunz Class:

09.DE.20 09 - SILICATES (Germanates)

09.D - Inosilicates* Structural terminology according to Liebau (1985)

09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family

09.DE.20 Winchite [](CaNa)Mg4(Al,Fe3)Si8O22(OH)2 C 2/m 2/m

09.DE.20 Aluminobarroisite! []CaNaMg3Al2(Si7Al)O22(OH)2 C 2/m 2/m

09.DE.20 Ferriwinchite ([],Na)(Na,Ca)2(Mg,Fe)4Fe[Si8O22](OH)2 C 2/m 2/m

09.DE.20 Ferroferriwinchite* CaNa(Fe,Mg)4Fe[Si8O22](OH)2 C 2/m 2/m

09.DE.20 Aluminoferrobarroisite! []CaNa(Fe2)3Al2(Si7Al)O22(OH)2 C 2/m 2/m

09.DE.20 Ferri-ferrobarroisite! []CaNa(Fe)3(Fe)2(Si7Al)O22(OH)2 C 2/m 2/m

09.DE.20 Ferribarroisite CaNa(Fe,Mg)3Fe2[AlSi7O22](OH)2 C 2/m 2/m

09.DE.20 Barroisite [](CaNa)Mg3AlFeSi7AlO22(OH)2 C 2/m 2/m

09.DE.20 Fluororichterite! Na(CaNa)Mg5[Si8O22]F2 C 2/m 2/m

09.DE.20 Ferrobarroisite [](CaNa)Fe3AlFeSi7AlO22(OH)2 C 2/m 2/m

09.DE.20 Magnesiotaramite Na(CaNa)Mg3ALFe[Si6Al2O22](OH)2 C 2/m 2/m

09.DE.20 Ferrikatophorite Na2Ca(Fe,Mg)4Fe(Si7Al)O22(OH)2 C 2/m 2/m

09.DE.20 Ferrorichterite Na(CaNa)Fe5[Si8O22](OH)2 C 2/m 2/m

09.DE.20 Ferrowinchite [](CaNa)Fe4(Al,Fe)Si8O22(OH)2 C 2/m 2/m

09.DE.20 Ferroferribarroisite* CaNa(Fe,Mg)3Fe2[AlSi7O22](OH)2 C 2/m 2/m

09.DE.20 Ferritaramite Na(CaNa)(Fe,Mg)3Fe2[Si6Al2O22](OH)2 C 2/m 2/m

09.DE.20 Ferri-magnesiotaramite! NaCaNaMg3Fe2[Si6Al2O22](OH)2 C 2/m 2/m

09.DE.20 Magnesioferrikatophorite Na2Ca(Mg,Fe)4FeSi7AlO22(OH)2 C 2/m 2/m

09.DE.20 Katophorite Na(CaNa)Fe4(Al,Fe)Si7AlO22(OH)2 C 2/m 2/m

09.DE.20 Parvowinchite Na(NaMn)(Mg4Fe)Si8O22(OH)2 C 2/m 2/m

09.DE.20 Potassic-fluororichterite! (K,Na)(CaNa)Mg5[Si8O22]F2 C 2/m 2/m

09.DE.20 Richterite Na(CaNa)(Mg,Fe)5[Si8O22](OH)2 C 2/m 2/m

09.DE.20 Taramite Na(CaNa)Fe3AlFe[Si6Al2O22](OH)2 C 2/m 2/m

09.DE.20 Magnesiokatophorite Na(CaNa)Mg4AlSi7AlO22(OH)2 C 2/m 2/m

09.DE.20 Potassicrichterite! (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 C 2/m 2/m

09.DE.20 Fluoro-alumino-magnesiotaramite! Na(CaNa)(Mg3Al2)(Si6Al2)O22F2 C 2/m 2/m

09.DE.20 Aluminotaramite! Na(CaNa)(Fe3Al2)(Si6Al2)O22(OH)2 C 2/m 2/m

09.DE.20 Alumino-magnesiotaramite! Na(CaNa)(Mg3Al2)(Si6Al2)O22(OH)2 C 2/m 2/m

Other Fluororichterite Information

See Also:

Links to other databases for Fluororichterite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Fluororichterite

Na(CaNa)Mg5[Si8O22]F2
Dana No: 66.01.03b.09a Strunz No: 09.DE.20
Locality:

Notes: