Fichtelite Mineral Data

Fichtelite Mineral Data +

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General Fichtelite Information

Chemical Formula:

C19H34

Composition:

Molecular Weight = 262.48 gm

Hydrogen 13.06 % H

Carbon 86.94 % C

______

100.00 %

Empirical Formula:

C₁₉H₃₄

IMA Status:

Valid Species (Pre-IMA) 1841

Locality:

Redwitz, Fichtel Mts, Bayern (Bavaria), Germany Link to MinDat.org Location Data.

Name Origin:

Named for the locality

Fichtelite Image

Images:

Fichtelite

Comments: Colorless crystals of fichtelite on fossil wood.
Location: Marktredwitz, Fichtelgebirge, Bavaria, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Fichtelite Crystallography

Axial Ratios:

a:b:c =1.4355:1:1.4513

Cell Dimensions:

a = 10.706, b = 7.458, c = 10.824, Z = 2; beta = 105.85° V = 831.39 Den(Calc)= 1.05

Crystal System:

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

Crystal Structure:

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Mace H A , Peterson R C , The Canadian Mineralogist , 33 (1995) p.7-11, The crystal structure of fichtelite, a naturally occuring hydrocarbon

Physical Properties of Fichtelite

Cleavage:

[???] Perfect

Color:

White.

Density:

1.032

Diaphaniety:

Transparent

Hardness:

1 - Talc

Streak:

white

Calculated Properties of Fichtelite

Electron Density:

r_electron=1.18 gm/cc
note: r_Fichtelite=1.05 gm/cc.

Fermion Index

Fermion Index = 0.00958
Boson Index = 0.99042

Photoelectric:

PE_Fichtelite= 0.12 barns/electron
U=PE_Fichtelite x r_electron= 0.14 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Fichtelite is Not Radioactive

Fichtelite Classification

Dana Class:

50.3.4.1 (50)Salts of Organic Acids

(50.3)(Hydrocarbons)

(50.3.4)Dana Group

50.3.4.1 Fichtelite C19H34 P 2₁ 2

Strunz Class:

IX/B.02-52 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 Fichtelite Information

References:

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

See Also:

Links to other databases for Fichtelite :
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 - WWW-MINCRYST 13 -École des Mines de Paris

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Fichtelite

C19H34
Dana No: 50.3.4.1 Strunz No: IX/B.02-52
Locality:

Notes: