IMA2003-050 Mineral Data

IMA2003-050 Mineral Data

General IMA2003-050 Information

Chemical Formula:

NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2

Composition:

Molecular Weight = 871.35 gm

Sodium 2.64 % Na 3.56 % Na₂O

Calcium 9.20 % Ca 12.87 % CaO

Magnesium 8.37 % Mg 13.88 % MgO

Aluminum 9.29 % Al 17.55 % Al₂O₃

Iron 6.41 % Fe 8.25 % FeO

Silicon 19.34 % Si 41.37 % SiO₂

Oxygen 40.40 % O

Fluorine 4.36 % F 4.36 % F

- % F -1.84 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaCa₂Mg₃Fe²⁺AlSi₆Al₂O₂₂F₂

Environment:

Amphibole group

IMA Status:

Proposed IMA 2003 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2003-050 Crystallography

Axial Ratios:

a:b:c =0.5474:1:0.2942

Cell Dimensions:

a = 9.8771, b = 18.041, c = 5.3092, Z = 2; beta = 105.133° V = 913.25 Den(Calc)= 3.17

Crystal System:

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 8.42(1), 3.21(0.84), 2.825(0.54),3.28(0.2), 2.379(0.17), 1.443(0.15), 2.347(0.15), 3(0.13),

Physical Properties of IMA2003-050

Color:

Black.

Diaphaniety:

Transparent to translucent

Luster:

Vitreous (Glassy)

Optical Properties of IMA2003-050

Gladstone-Dale:

CI calc= -0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2029,KC= 0.2015

Optical Data:

Biaxial (+), a=1.634, b=1.642, g=1.654, bire=0.0200

Calculated Properties of IMA2003-050

Electron Density:

r_electron=3.13 gm/cc
note: r_IMA2003-050=3.17 gm/cc.

Fermion Index

Fermion Index = 0.01907
Boson Index = 0.98093

Photoelectric:

PE_IMA2003-050= 4.29 barns/electron
U=PE_IMA2003-050 x r_electron= 13.43 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2003-050 is Not Radioactive

IMA2003-050 Classification

Dana Class:

66.1.3b.19 (66)Inosilicate Double-Width Unbranched Chains, W=2

(66.1)Dana Type

(66.1.3b)Group 3, the sodic-calcic amphiboles

66.1.3b.1 Winchite [](CaNa)Mg4(Al,Fe3)Si8O22(OH)2 C 2/m 2/m

66.1.3b.1a Parvowinchite Na(NaMn)(Mg4Fe)Si8O22(OH)2 C 2/m 2/m

66.1.3b.2 Ferrowinchite [](CaNa)Fe4(Al,Fe)Si8O22(OH)2 C 2/m 2/m

66.1.3b.3 Ferriwinchite NaCaMg4FeSi8O22(OH)2 C 2/m 2/m

66.1.3b.4 Ferroferriwinchite* CaNa(Fe,Mg)4Fe[Si8O22](OH)2 C 2/m 2/m

66.1.3b.5 Barroisite [](CaNa)Mg3AlFeSi7AlO22(OH)2 C 2/m 2/m

66.1.3b.5a Aluminobarroisite! []CaNaMg3Al2(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3b.6 Ferrobarroisite [](CaNa)Fe3AlFeSi7AlO22(OH)2 C 2/m 2/m

66.1.3b.6a Aluminoferrobarroisite! []CaNa(Fe2)3Al2(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3b.7 Ferribarroisite CaNa(Fe,Mg)3Fe2[AlSi7O22](OH)2 C 2/m 2/m

66.1.3b.8 Ferroferribarroisite* CaNa(Fe,Mg)3Fe2[AlSi7O22](OH)2 C 2/m 2/m

66.1.3b.8a Ferri-ferrobarroisite! []CaNa(Fe)3(Fe)2(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3b.9 Richterite Na(CaNa)(Mg,Fe)5[Si8O22](OH)2 C 2/m 2/m

66.1.3b.9a Fluororichterite! Na(CaNa)Mg5[Si8O22]F2 C 2/m 2/m

66.1.3b.9b Potassic-fluororichterite! (K,Na)(CaNa)Mg5[Si8O22]F2 C 2/m 2/m

66.1.3b.9c Potassicrichterite! (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 C 2/m 2/m

66.1.3b.10 Ferrorichterite Na(CaNa)Fe5[Si8O22](OH)2 C 2/m 2/m

66.1.3b.11 Magnesiokatophorite Na(CaNa)Mg4AlSi7AlO22(OH)2 C 2/m 2/m

66.1.3b.12 Katophorite Na(CaNa)Fe4(Al,Fe)Si7AlO22(OH)2 C 2/m 2/m

66.1.3b.13 Magnesioferrikatophorite Na2Ca(Mg,Fe)4FeSi7AlO22(OH)2 C 2/m 2/m

66.1.3b.14 Ferrikatophorite Na2Ca(Fe,Mg)4Fe(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3b.15 Magnesiotaramite Na(CaNa)Mg3ALFe[Si6Al2O22](OH)2 C 2/m 2/m

66.1.3b.15a Aluminomagnesiotaramite! NaCaNaMg3Al2[Si6Al2O22](OH)2 C 2/m 2/m

66.1.3b.16 Taramite Na(CaNa)Fe3AlFe[Si6Al2O22](OH)2 C 2/m 2/m

66.1.3b.17 Ferri-magnesiotaramite! NaCaNaMg3Fe2[Si6Al2O22](OH)2 C 2/m 2/m

66.1.3b.18 Ferritaramite Na(CaNa)(Fe,Mg)3Fe2[Si6Al2O22](OH)2 C 2/m 2/m

66.1.3b.19 IMA2003-050 ! NaCa2(Mg3FeAl)5(Si6Al2O22)F2 C 2/m 2/m

66.1.3b.20 IMA2003-062! Na(CaMn)2Mg5(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3b.21 IMA2004-045! [](CaMn)S2Mg5Si8O22(OH)2 C 2/m 2/m

Strunz Class:

VIII/FX.00-00 VIII - Silicates

VIII/FX - Unclassified Strunz Inosilicates

VIII/FX.00 - Group 3, the sodic-calcic amph

Other IMA2003-050 Information

See Also:

Links to other databases for IMA2003-050 :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch)

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Print or Cut-and-Paste your IMA2003-050 Specimen Label here :

IMA2003-050

NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2
Dana No: 66.1.3b.19 Strunz No: VIII/FX.00-00
Locality:

Notes: