Mineralogy Database

Kratochvilite Mineral Data

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General Kratochvilite Information

Help on Chemical  Formula: Chemical Formula: (C6H4)2CH2
Help on Composition: Composition: Molecular Weight = 166.22 gm
   Hydrogen   6.06 %  H
   Carbon    93.94 %  C
            100.00 % 
Help on Empirical Formula: Empirical Formula: C13H10
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1937
Help on Locality: Locality: Nejedly, Kladno, Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for J. Kratochvil.
Help on Name Pronunciation: Name Pronunciation: Kratochvilite + Pronunciation Say KRATOCHVILITE

Kratochvilite Image

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Comments: Pale yellow to brown crystalline crust of kratochvilite on shale.
Location: Zastavka, near Brna, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kratochvilite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.4822:1:3.2242
Help on Cell Dimensions: Cell Dimensions: a = 8.514, b = 5.744, c = 18.52, Z = 4; V = 905.71 Den(Calc)= 1.22
Help on Crystal System: Crystal System: Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: P na21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.68(1), 3.38(0.9), 9.39(0.7),

Physical Properties of Kratochvilite

Help on Color: Color: White.
Help on Density: Density: 1.21
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Streak: Streak: white

Optical Properties of Kratochvilite

Help on Optical Data: Optical Data: Biaxial (+), a=1.578, b=1.663, g=1.919, bire=0.3410

Calculated Properties of Kratochvilite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.29 gm/cc
note: Specific Gravity of Kratochvilite =1.22 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEKratochvilite = 0.14 barns/electron
U=PEKratochvilite x rElectron Density= 0.18 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kratochvilite is Not Radioactive

Kratochvilite Classification

Help on  Dana Class: Dana Class: (50)Salts of Organic Acids
  (50.03.01)Dana Group Kratochvilite (C6H4)2CH2 P na21 mm2
Help on  Strunz Class: Strunz Class: 10.BA.25 10 - ORGANIC COMPOUNDS
  10.B - Hydrocarbons
  10.BA -Hydrocarbons
10.BA.25 Kratochvilite (C6H4)2CH2 P na21 mm2

Other Kratochvilite Information

Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Kratochvilite :
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.25