Mineralogy Database

Ravatite Mineral Data

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General Ravatite Information

Help on Chemical  Formula: Chemical Formula: C14H10
Help on Composition: Composition: Molecular Weight = 178.23 gm
   Hydrogen   5.66 %  H
   Carbon    94.34 %  C
            100.00 % 
Help on Empirical Formula: Empirical Formula: C14H10
Help on Environment: Environment: Hydrocarbon associated with coal deposits.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Ravat, Fan-Jagnob coal basin, Dushambe, Tajikistan Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Ravatite Say RAVATITE
Help on Synonym: Synonym: IMA1992-019

Ravatite Image

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Comments: Small crystals of ravatite.
Location: Carola Mine, Freital, near Dresden, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Ravatite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3577:1:1.5463
Help on Cell Dimensions: Cell Dimensions: a = 8.392, b = 6.181, c = 9.558, Z = 2; beta = 98.48° V = 490.36 Den(Calc)= 1.21
Help on Crystal System: Crystal System: Monoclinic - Sphenoidal H-M Symbol (2) Space Group: P 21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.434(1), 4.028(0.13), 4.941(0.11),

Physical Properties of Ravatite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Colorless, White, Pale gray.
Help on Density: Density: 1.11
Help on Diaphaneity: Diaphaneity: Translucent
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Vitreous - Waxy
Help on Streak: Streak: white

Optical Properties of Ravatite

Help on Optical Data: Optical Data: Biaxial (+/-), a=1.75, g=1.95, bire=0.2000, 2V(Meas)=90.

Calculated Properties of Ravatite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.28 gm/cc
note: Specific Gravity of Ravatite =1.21 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PERavatite = 0.14 barns/electron
U=PERavatite x rElectron Density= 0.18 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ravatite is Not Radioactive

Ravatite Classification

Help on  Dana Class: Dana Class: (50)Salts of Organic Acids
  (50.03.02)Ravatite Group Ravatite C14H10 P 21 2 Hartite! C20H34 P1 1
Help on  Strunz Class: Strunz Class: 10.BA.40 10 - ORGANIC COMPOUNDS
  10.B - Hydrocarbons
  10.BA -Hydrocarbons
10.BA.40 Ravatite C14H10 P 21 2

Other Ravatite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.79,p389,1994) OPTIC PROP.(Am.Min.,Vol.79,p389,1994)
Help on See Also: See Also: Links to other databases for Ravatite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 10.BA.40





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