Melanophlogite-beta Mineral Data

Melanophlogite-beta Mineral Data
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General Melanophlogite-beta Information

Help on Chemical Formula: Chemical Formula: SiO2•n(C,H,O,S)
Help on Composition: Composition: Molecular Weight = 2,929.11 gm
   Silicon   44.11 %  Si   94.36 % SiO2
   Hydrogen   0.78 %  H     6.95 % H2O
   Carbon     0.82 %  C
   Sulfur     0.55 %  S     1.09 % SO2
   Oxygen    53.75 %  O
            ______        ______ 
            100.00 %      102.40 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 46(SiO2)C2H22.6O5.4(SO2)0.5
Help on Environment: Environment: A late-stage, low-temperature mineral with large, clathrate voids which host CH4, CO2, and N2. Stable above 40-65 deg. C.
Help on IMA Status: IMA Status: Not approved IMA (Dana # Added)
Help on Locality: Locality: In Italy, at Solfatara Giona, Racalmuto, and at Caltanissetta, Sicily. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "black" and "to be burned" in allusion to the fact that some specimens blacken on heating. High temperature form.
Help on Name Pronunciation: Name Pronunciation: Melanophlogite-beta + Pronunciation Say MELANOPHLOGITE-BETA
 

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Melanophlogite-beta Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 13.436, Z = 1; V = 2,425.55 Den(Calc)= 2.01
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P m3n
 

Physical Properties of Melanophlogite-beta

Help on Cleavage: Cleavage: None
Help on Color: Color: Brown, Colorless, Light yellow, Dark reddish brown.
Help on Density: Density: 1.99 - 2.11, Average = 2.04
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 6.5-7 - Pyrite-Quartz
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Melanophlogite-beta

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2194,KPDmeas= 0.2151,KC= 0.2228
Ncalc = 1.44 - 1.47
Help on Optical Data: Optical Data: Isotropic, n=1.425-1.457.
 

Calculated Properties of Melanophlogite-beta

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.02 gm/cc
note: Specific Gravity of Melanophlogite-beta =2.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEMelanophlogite-beta = 1.73 barns/electron
U=PEMelanophlogite-beta x rElectron Density= 3.50 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Melanophlogite-beta is Not Radioactive
 

Melanophlogite-beta Classification
Help on Dana Class: Dana Class: 75.02.02.02 (75)Tectosilicate Si Tetrahedral Frameworks
  (75.02)SiO2 with H2O and organics
  (75.02.02)Melanophlogite Polymorphs
 
75.02.02.01 Melanophlogite SiO2•n(C,H,O,S) P 41/nbc 4/m 2/m 2/m
 
75.02.02.02 Melanophlogite-beta! SiO2•n(C,H,O,S) P m3n 4/m 3 2/m
 
75.02.02.03 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 Melanophlogite-beta Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(AmMin, Vol 86, p 1506-1512) OPTIC PROP.(AntBidBlaNic2)
Help on See Also: See Also: Links to other databases for Melanophlogite-beta :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Melanophlogite-beta Specimen Label here :

Melanophlogite-beta

SiO2•n(C,H,O,S)
Dana No: 75.02.02.02 Strunz No: 04.DA.25
Locality:

 

Notes: