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IMA2009-004 Mineral Data
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General IMA2009-004 Information
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 Chemical Formula: |
KCa7Sn2Li3Si12O36F2 |
| Composition: |
Molecular Weight = 1,528.89 gm |
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Potassium 2.56 % K 3.08 % K2O |
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Lithium 1.36 % Li 2.93 % Li2O |
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Calcium 18.35 % Ca 25.67 % CaO |
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Silicon 22.04 % Si 47.16 % SiO2 |
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Tin 15.53 % Sn 19.71 % SnO2 |
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Oxygen 37.67 % O |
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Fluorine 2.49 % F 2.49 % F |
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- %
F -1.05 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
KCa7Sn2Li3Si12O36F2 |
| Environment: |
Sn analogue of baratovite. |
| IMA Status: |
Proposed IMA 2009 |
| Locality: |
Darai-Pioz alkaline massif, Darai-Pioz River, Tadjikistan. Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
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IMA2009-004 Crystallography
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| Axial Ratios: |
a:b:c =1.7444:1:2.1536 |
| Cell Dimensions: |
a = 17.01, b = 9.751, c = 21, Z = 4; beta = 112.45° V = 3,219.18 Den(Calc)= 3.15 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.234(1), 2.425(0.42), 2.894(0.42),3.206(0.34), 3.712(0.33), 3.039(0.28), 1.95(0.25), 4.86(0.21), |
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Optical Properties of IMA2009-004
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| Optical Data: |
NCalc= 1.62 - from Gladstone-Dale relationship (KC = 0.1964) where Ncalc=Dcalc*KC+1
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Calculated Properties of IMA2009-004
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| Electron Density: |
Bulk Density (Electron Density)=3.06 gm/cc
note: Specific Gravity of IMA2009-004 =3.15 gm/cc.
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| Fermion Index: |
Fermion Index = 0.03
Boson Index = 0.97 |
| Photoelectric: |
PEIMA2009-004 = 47.52 barns/electron
U=PEIMA2009-004 x relectron= 145.29 barns/cc.
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| Radioactivity: |
GRapi = 35.82 (Gamma Ray American Petroleum Institute Units)
Concentration of IMA2009-004 per GRapi unit = 2.79 (%)
Estimated Radioactivity from IMA2009-004  - barely detectable
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IMA2009-004 Classification
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| Dana Class: |
61.01.04.04 (61)Cyclosilicate Six-Membered Rings |
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(61.01)with [Si6O18] rings; possible (OH) and Al substitution |
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(61.01.04)Baratovite group |
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61.01.04.01 Baratovite KCa7(Ti,Zr)2Li3Si12O36F2 C 2/c 2/m |
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61.01.04.02 Katayamalite (K,Na)Ca7Li3Ti2[Si6O18]2(OH,F)2 C1 1 |
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61.01.04.03 Faizievite! K2Na(Ca6Na)Ti4Li6Si24O66F2 P1 1 |
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61.01.04.04 IMA2009-004 KCa7Sn2Li3Si12O36F2 C 2/m 2/m |
| Strunz Class: |
09.CX.00 09 - SILICATES (Germanates) |
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09.C - Unclassified Strunz Cyklosilicates |
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09.CX -Unknown |
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09.CX.00 Klochite ([]1Na1)KFe2Zn3[Si12O30] P 6/mcc 6/m 2/m 2/m |
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09.CX.00 Friedrichbeckeite! K([],Na)Mg2(Be2Mg)Si12O30 P 6/mcc 6/m 2/m 2/m |
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09.CX.00 IMA2009-004 KCa7Sn2Li3Si12O36F2 C 2/m 2/m |
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Other IMA2009-004 Information
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| See Also: |
Links to other databases for IMA2009-004 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info
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Print or Cut-and-Paste your IMA2009-004 Specimen Label here :
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IMA2009-004
KCa7Sn2Li3Si12O36F2
Dana No: 61.01.04.04 Strunz No: 09.CX.00
Locality:
Notes:
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