Mineralogy Database

IMA2008-067 Mineral Data

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General IMA2008-067 Information

Help on Chemical  Formula: Chemical Formula: SiO2•n(CH4,C2H6,C3H8,C4H10); (nmax = 3/17)
Help on Composition: Composition: Molecular Weight = 62.91 gm
   Silicon   44.65 %  Si   95.51 % SiO2
   Hydrogen   1.13 %  H    10.08 % H2O
   Carbon     3.36 %  C
   Oxygen    50.87 %  O
            ______        ______ 
            100.00 %      105.59 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (SiO2)(CH4)0.17
Help on Environment: Environment: Natural analogue of synthetic silica clathrate MTN
Help on IMA Status: IMA Status: Proposed IMA 2009 (Dana # Added)
Help on Locality: Locality: Arakawa, Minami-boso City, Chiba Prefecture, Japan Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)

IMA2008-067 Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 19.3742, Z = 140; V = 7,272.29 Den(Calc)= 2.01
Help on Crystal System: Crystal System: Isometric - Diploidal H-M Symbol (2/m 3) Space Group: Fd3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.276(1), 3.73(0.91), 5.847(0.83),5.596(0.46), 3.426(0.4), 6.858(0.38), 3.956(0.25), 4.847(0.24), 11.21(0.24),

Optical Properties of IMA2008-067

Help on Optical Data: Optical Data: NCalc= 1.47 - from Gladstone-Dale relationship (KC = 0.2329) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2008-067

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.03 gm/cc
note: Specific Gravity of IMA2008-067 =2.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEIMA2008-067 = 1.70 barns/electron
U=PEIMA2008-067 x rElectron Density= 3.46 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-067 is Not Radioactive

IMA2008-067 Classification

Help on  Dana Class: Dana Class: (75)Tectosilicate Si Tetrahedral Frameworks
  (75.02)SiO2 with H2O and organics
  (75.02.02)Melanophlogite Polymorphs Melanophlogite SiO2•n(C,H,O,S) P 41/nbc 4/m 2/m 2/m Melanophlogite-beta! SiO2•n(C,H,O,S) P m3n 4/m 3 2/m IMA2008-067! SiO2•n(CH4,C2H6,C3H8,C4H10);(nmax=3/17) Fd3 2/m 3
Help on  Strunz Class: Strunz Class: 04.DA.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DA -With small cations
04.DA.25 Melanophlogite SiO2•n(C,H,O,S) P 41/nbc 4/m 2/m 2/m
04.DA.25 IMA2008-067! SiO2•n(CH4,C2H6,C3H8,C4H10);(nmax=3/17) Fd3 2/m 3
04.DA.25 Melanophlogite-beta! SiO2•n(C,H,O,S) P m3n 4/m 3 2/m

Other IMA2008-067 Information

Help on See Also: See Also: Links to other databases for IMA2008-067 :
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 IMA2008-067 Specimen Label here :


SiO2•n(CH4,C2H6,C3H8,C4H10); (nmax = 3/17)
Dana No: Strunz No: 04.DA.25