Kratochvilite Mineral Data

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.

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:

r_electron=1.29 gm/cc
note: r_{Kratochvilite}=1.22 gm/cc.

Fermion Index

Fermion Index = 0.01034
Boson Index = 0.98966

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kratochvilite is Not Radioactive

Kratochvilite Classification

Dana Class:

50.3.1.1 (50)Salts of Organic Acids

(50.3)(Hydrocarbons)

(50.3.1)Dana Group

50.3.1.1 Kratochvilite (C6H4)2CH2 P na2₁ mm2

Strunz Class:

IX/B.02-10 IX - Organic compunds

IX/B - Nitrogenfree compounds with C and water, ring structures

IX/B.02 - Kratochvilite - Flagstaffite series

IX/B.02-10 Kratochvilite (C6H4)2CH2 P na2₁ mm2

IX/B.02-20 Simonellite C19H24 Pnaa 2/m 2/m 2/m

IX/B.02-30 Hoelite (C6H4)2(CO)2 P 2₁/a 2/m

IX/B.02-40 Refikite C19H31COOH P 2₁2₁2₁ 2 2 2

IX/B.02-50 Hartite C20H34 P1 1

IX/B.02-52 Fichtelite C19H34 P 2₁ 2

IX/B.02-55 Dinite* C20H36 P 2₁2₁2₁ 2 2 2

IX/B.02-60 Karpatite C24H12 P 2₁/c,P 2/c 2/m

IX/B.02-70 Idrialite C22H14 Unk Ortho

IX/B.02-75 Ravatite C14H10 P 2₁ 2

IX/B.02-80 Flagstaffite C10H22O3 F dd2 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Kratochvilite

(C6H4)2CH2
Dana No: 50.3.1.1 Strunz No: IX/B.02-10
Locality:

Notes: