Kratochvilite Mineral Data

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General Kratochvilite Information

Chemical Formula:

(C6H4)2CH2

Composition:

Molecular Weight = 166.22 gm

Hydrogen 6.06 % H

Carbon 93.94 % C

______

100.00 %

Empirical Formula:

C₁₃H₁₀

IMA Status:

Valid Species (Pre-IMA) 1937

Locality:

Nejedly, Kladno, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named for J. Kratochvil.

Name Pronunciation:

Kratochvilite + Pronunciation

Kratochvilite Image

Images:

Kratochvilite

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

Axial Ratios:

a:b:c =1.4822:1:3.2242

Cell Dimensions:

a = 8.514, b = 5.744, c = 18.52, Z = 4; V = 905.71 Den(Calc)= 1.22

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P na2₁

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.68(1), 3.38(0.9), 9.39(0.7),

Crystal Structure:

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Gerkin R E , Lundstedt A P , Reppart W J , Acta Crystallographica, Section C , 40 (1984) p.1892-1894, Structure of fluorene, C13H10, at 159 K, Note: T = 159 K, Locality: synthetic

Physical Properties of Kratochvilite

Color:

White.

Density:

1.21

Hardness:

1-2 - Between Talc and Gypsum

Streak:

white

Optical Properties of Kratochvilite

Optical Data:

Biaxial (+), a=1.578, b=1.663, g=1.919, bire=0.3410

Calculated Properties of Kratochvilite

Electron Density:

Bulk Density (Electron Density)=1.29 gm/cc
note: Specific Gravity of Kratochvilite =1.22 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Kratochvilite}= 0.14 barns/electron
U=PE_{Kratochvilite} x rElectron Density= 0.18 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kratochvilite is Not Radioactive

Kratochvilite Classification

Dana Class:

50.03.01.01 (50)Salts of Organic Acids

(50.03)(Hydrocarbons)

(50.03.01)Dana Group

50.03.01.01 Kratochvilite (C6H4)2CH2 P na2₁ mm2

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

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Kratochvilite Specimen Label here :

Kratochvilite

(C6H4)2CH2
Dana No: 50.03.01.01 Strunz No: 10.BA.25
Locality:

Notes: