Mineralogy Database

IMA2009-004 Mineral Data

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General IMA2009-004 Information

Help on Chemical  Formula: Chemical Formula: KCa7Sn2Li3Si12O36F2
Help on Composition: 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
                -   %   F    -1.05 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KCa7Sn2Li3Si12O36F2
Help on Environment: Environment: Sn analogue of baratovite.
Help on IMA Status: IMA Status: Proposed IMA 2009
Help on Locality: Locality: Darai-Pioz alkaline massif, Darai-Pioz River, Tadjikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)

IMA2009-004 Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.7444:1:2.1536
Help on Cell Dimensions: Cell Dimensions: a = 17.01, b = 9.751, c = 21, Z = 4; beta = 112.45° V = 3,219.18 Den(Calc)= 3.15
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: 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

Help on Optical Data: Optical Data: NCalc= 1.62 - from Gladstone-Dale relationship (KC = 0.1964) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2009-004

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.06 gm/cc
note: Specific Gravity of IMA2009-004 =3.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEIMA2009-004 = 47.52 barns/electron
U=PEIMA2009-004 x relectron= 145.29 barns/cc.
Help on Radioactivity: 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

Help on  Dana Class: Dana Class: (61)Cyclosilicate Six-Membered Rings
  (61.01)with [Si6O18] rings; possible (OH) and Al substitution
  (61.01.04)Baratovite group Baratovite KCa7(Ti,Zr)2Li3Si12O36F2 C 2/c 2/m Katayamalite (K,Na)Ca7Li3Ti2[Si6O18]2(OH,F)2 C1 1 Faizievite! K2Na(Ca6Na)Ti4Li6Si24O66F2 P1 1 IMA2009-004 KCa7Sn2Li3Si12O36F2 C 2/m 2/m
Help on  Strunz Class: 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

Help on See Also: 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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Dana No: Strunz No: 09.CX.00