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IMA2008-067 Mineral Data
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General IMA2008-067 Information
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 Chemical Formula: |
SiO2•n(CH4,C2H6,C3H8,C4H10); (nmax = 3/17) |
| Composition: |
Molecular Weight = 62.91 gm |
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Silicon 44.65 % Si 95.51 % SiO2 |
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Hydrogen 1.13 % H 10.08 % H2O |
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Carbon 3.36 % C |
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Oxygen 50.87 % O |
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______ ______ |
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100.00 % 105.59 % = TOTAL OXIDE |
| Empirical Formula: |
(SiO2)(CH4)0.17 |
| Environment: |
Natural analogue of synthetic silica clathrate MTN |
| IMA Status: |
Proposed IMA 2009 (Dana # Added) |
| Locality: |
Arakawa, Minami-boso City, Chiba Prefecture, Japan Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
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IMA2008-067 Crystallography
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| Cell Dimensions: |
a = 19.3742, Z = 140; V = 7,272.29 Den(Calc)= 2.01 |
| Crystal System: |
Isometric - Diploidal H-M Symbol (2/m 3) Space Group: Fd3 |
| 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), |
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Optical Properties of IMA2008-067
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| Optical Data: |
NCalc= 1.47 - from Gladstone-Dale relationship (KC = 0.2329) where Ncalc=Dcalc*KC+1
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Calculated Properties of IMA2008-067
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| Electron Density: |
Bulk Density (Electron Density)=2.03 gm/cc
note: Specific Gravity of IMA2008-067 =2.01 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEIMA2008-067 = 1.70 barns/electron
U=PEIMA2008-067 x rElectron Density= 3.46 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-067 is Not Radioactive |
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IMA2008-067 Classification
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| Dana Class: |
75.02.02.03 (75)Tectosilicate Si Tetrahedral Frameworks |
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(75.02)SiO2 with H2O and organics |
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(75.02.02)Melanophlogite Polymorphs |
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75.02.02.01 Melanophlogite SiO2•n(C,H,O,S) P 41/nbc 4/m 2/m 2/m |
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75.02.02.02 Melanophlogite-beta! SiO2•n(C,H,O,S) P m3n 4/m 3 2/m |
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75.02.02.03 IMA2008-067! SiO2•n(CH4,C2H6,C3H8,C4H10);(nmax=3/17) Fd3 2/m 3 |
| Strunz Class: |
04.DA.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DA -With small cations |
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04.DA.25 Melanophlogite SiO2•n(C,H,O,S) P 41/nbc 4/m 2/m 2/m |
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04.DA.25 IMA2008-067! SiO2•n(CH4,C2H6,C3H8,C4H10);(nmax=3/17) Fd3 2/m 3 |
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04.DA.25 Melanophlogite-beta! SiO2•n(C,H,O,S) P m3n 4/m 3 2/m |
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Other IMA2008-067 Information
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| 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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IMA2008-067
SiO2•n(CH4,C2H6,C3H8,C4H10); (nmax = 3/17)
Dana No: 75.02.02.03 Strunz No: 04.DA.25
Locality:
Notes:
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