IMA2009-004 Mineral Data (original) (raw)
General IMA2009-004 Information
Chemical Formula:
KCa7Sn2Li3Si12O36F2
Composition:
Molecular Weight = 1,528.89 gm
Potassium 2.56 % K 3.08 % K2O
Lithium 1.36 % Li 2.93 % Li2O
Calcium 18.35 % Ca 25.67 % CaO
Silicon 22.04 % Si 47.16 % SiO2
Tin 15.53 % Sn 19.71 % SnO2
Oxygen 37.67 % O
Fluorine 2.49 % F 2.49 % F
______ ______
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)
Search for IMA2009-004 Images
Images:
IMA2009-004 Crystallography
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 - PrismaticH-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),
Optical Properties of IMA2009-004
Optical Data:
NCalc= 1.62 - from Gladstone-Dale relationship (KC = 0.1964) where Ncalc=Dcalc*KC+1
Calculated Properties of IMA2009-004
Electron Density:
Bulk Density (Electron Density)=3.06 gm/cc
note: Specific Gravity of IMA2009-004 =3.15 gm/cc.
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.
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
IMA2009-004 Classification
Dana Class:
61.01.04.04 (61)Cyclosilicate Six-Membered Rings
(61.01)with [Si6O18] rings; possible (OH) and Al substitution
(61.01.04)Baratovite group
61.01.04.01 Baratovite KCa7(Ti,Zr)2Li3Si12O36F2 C 2/c 2/m
61.01.04.02 Katayamalite (K,Na)Ca7Li3Ti2[Si6O18]2(OH,F)2 C1 1
61.01.04.03 Faizievite! K2Na(Ca6Na)Ti4Li6Si24O66F2 P1 1
61.01.04.04 IMA2009-004 KCa7Sn2Li3Si12O36F2 C 2/m 2/m
Strunz Class:
09.CX.00 09 - SILICATES (Germanates)
09.C - Unclassified Strunz Cyklosilicates
09.CX -Unknown
09.CX.00 Klochite ([]1Na1)KFe2Zn3[Si12O30] P 6/mcc 6/m 2/m 2/m
09.CX.00 Friedrichbeckeite! K([],Na)Mg2(Be2Mg)Si12O30 P 6/mcc 6/m 2/m 2/m
09.CX.00 IMA2009-004 KCa7Sn2Li3Si12O36F2 C 2/m 2/m
Other IMA2009-004 Information
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 :
IMA2009-004
KCa7Sn2Li3Si12O36F2
Dana No: 61.01.04.04 Strunz No: 09.CX.00
Locality:
Notes: