Ravatite Mineral Data

Ravatite Mineral Data +

General Ravatite Information

Chemical Formula:

C14H10

Composition:

Molecular Weight = 178.23 gm

Hydrogen 5.66 % H

Carbon 94.34 % C

______

100.00 %

Empirical Formula:

C₁₄H₁₀

Environment:

Hydrocarbon associated with coal deposits.

IMA Status:

Approved IMA 1993

Locality:

Ravat, Fan-Jagnob coal basin, Dushambe, Tajikistan Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Synonym:

IMA1992-019

Phenenthrene

Ravatite Image

Images:

Ravatite

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

Ravatite Crystallography

Axial Ratios:

a:b:c =1.3577:1:1.5463

Cell Dimensions:

a = 8.392, b = 6.181, c = 9.558, Z = 2; beta = 98.48° V = 490.36 Den(Calc)= 1.21

Crystal System:

Monoclinic - SphenoidalH-M Symbol (2) Space Group: P 2₁

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

By Intensity(I/I_o): 9.434(1), 4.028(0.13), 4.941(0.11),

Physical Properties of Ravatite

Cleavage:

[???] Perfect

Color:

Colorless, White, Pale gray.

Density:

1.11

Diaphaniety:

Translucent

Hardness:

1 - Talc

Luster:

Vitreous - Waxy

Streak:

white

Optical Properties of Ravatite

Optical Data:

Biaxial (+/-), a=1.75, g=1.95, bire=0.2000, 2V(Meas)=90.

Calculated Properties of Ravatite

Electron Density:

r_electron=1.28 gm/cc
note: r_Ravatite=1.21 gm/cc.

Fermion Index

Fermion Index = 0.01038
Boson Index = 0.98962

Photoelectric:

PE_Ravatite= 0.14 barns/electron
U=PE_Ravatite x r_electron= 0.18 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ravatite is Not Radioactive

Ravatite Classification

Dana Class:

50.3.2.1 (50)Salts of Organic Acids

(50.3)(Hydrocarbons)

(50.3.2)Dana Group

50.3.2.1 Ravatite C14H10 P 2₁ 2

50.3.2.2 Hartite! C20H34 P1 1

Strunz Class:

IX/B.02-75 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 Ravatite Information

References:

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.79,p389,1994) OPTIC PROP.(Am.Min.,Vol.79,p389,1994)

See Also:

Links to other databases for Ravatite :
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 Ravatite Specimen Label here :

Ravatite

C14H10
Dana No: 50.3.2.1 Strunz No: IX/B.02-75
Locality:

Notes: