General Kratochvilite Information
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Chemical Formula: |
(C6H4)2CH2 |
Composition: |
Molecular Weight = 166.22 gm |
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Hydrogen 6.06 % H |
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Carbon 93.94 % C |
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______ |
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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. |
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Kratochvilite Image |
Images:
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Kratochvilite Crystallography
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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 |
X Ray Diffraction: |
By Intensity(I/Io): 4.68(1), 3.38(0.9), 9.39(0.7), |
Crystal Structure:
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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Help on Above
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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
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Physical Properties of Kratochvilite
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Color: |
White. |
Density: |
1.21 |
Hardness: |
1-2 - Between Talc and Gypsum |
Streak: |
white |
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Optical Properties of Kratochvilite
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Optical Data: |
Biaxial (+), a=1.578, b=1.663, g=1.919, bire=0.3410 |
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Calculated Properties of Kratochvilite
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Electron Density: |
relectron=1.29 gm/cc note: rKratochvilite =1.22 gm/cc. |
Fermion Index |
Fermion Index = 0.01034 Boson Index = 0.98966 |
Photoelectric: |
PEKratochvilite = 0.14 barns/electron U=PEKratochvilite x relectron= 0.18 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kratochvilite is Not Radioactive |
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Kratochvilite Classification
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Dana Class: |
50.3.1.1 (50)Salts of Organic Acids |
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(50.3)(Hydrocarbons) |
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(50.3.1)Dana Group |
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50.3.1.1 Kratochvilite (C6H4)2CH2 P na21 mm2 |
Strunz Class: |
IX/B.02-10 IX - Organic compunds |
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IX/B - Nitrogenfree compounds with C and water, ring structures |
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IX/B.02 - Kratochvilite - Flagstaffite series |
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IX/B.02-10 Kratochvilite (C6H4)2CH2 P na21 mm2 |
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IX/B.02-20 Simonellite C19H24 Pnaa 2/m 2/m 2/m |
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IX/B.02-30 Hoelite (C6H4)2(CO)2 P 21/a 2/m |
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IX/B.02-40 Refikite C19H31COOH P 212121 2 2 2 |
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IX/B.02-50 Hartite C20H34 P1 1 |
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IX/B.02-52 Fichtelite C19H34 P 21 2 |
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IX/B.02-55 Dinite* C20H36 P 212121 2 2 2 |
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IX/B.02-60 Karpatite C24H12 P 21/c,P 2/c 2/m |
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IX/B.02-70 Idrialite C22H14 Unk Ortho |
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IX/B.02-75 Ravatite C14H10 P 21 2 |
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IX/B.02-80 Flagstaffite C10H22O3 F dd2 mm2 |
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Other Kratochvilite Information
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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 :
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Kratochvilite
(C6H4)2CH2
Dana No: 50.3.1.1 Strunz No: IX/B.02-10
Locality:
Notes:
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