Hoelite Mineral Data

Hoelite Mineral Data +

[All Products] [By Use] [By Color] [By Type] [About Us] [Login]
Welcome to the Crystal Vaults - You will find only authentic, natural crystals
We offer a prompt, no-questioned-asked Satisfaction Guarantee
We also carry Talismans, Jewelry, and Worked Specimens

General Hoelite Information

Chemical Formula:

(C6H4)2(CO)2

Composition:

Molecular Weight = 208.22 gm

Hydrogen 3.87 % H

Carbon 80.76 % C

Oxygen 15.37 % O

______

100.00 %

Empirical Formula:

C₁₄H₈O₂

Environment:

From a burning coal seam.

IMA Status:

Valid Species (Pre-IMA) 1922

Locality:

Spitzbergen, Norway. Link to MinDat.org Location Data.

Name Origin:

Named for Adolf Hoel (1879-?), geologist, leader of a Norwegian expedition to Spitzbergen.

Synonym:

Anthraquinone

Hoelite Image

Images:

Hoelite

Comments: Yellow acicular crystals of hoelite with blocky yellow crystals of sulfur.
Location: Carola Mine, Freital, near Dresden, Saxony, Germany. Scale: Picture size 10 mm.
© Thomas Witzke / Abraxas-Verlag

Hoelite Crystallography

Axial Ratios:

a:b:c =3.9853:1:1.9853

Cell Dimensions:

a = 15.81, b = 3.967, c = 7.876, Z = 2; beta = 102.67° V = 481.94 Den(Calc)= 1.43

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/a

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

By Intensity(I/I_o): 3.52(1), 7.69(0.95), 3.36(0.8),

Physical Properties of Hoelite

Cleavage:

[???] Good

Color:

Yellow, Yellow green.

Density:

1.42

Streak:

light yellow

Calculated Properties of Hoelite

Electron Density:

r_electron=1.48 gm/cc
note: r_Hoelite=1.43 gm/cc.

Fermion Index

Fermion Index = 0.00896
Boson Index = 0.99104

Photoelectric:

PE_Hoelite= 0.19 barns/electron
U=PE_Hoelite x r_electron= 0.28 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hoelite is Not Radioactive

Hoelite Classification

Dana Class:

50.4.2.1 (50)Salts of Organic Acids

(50.4)with miscellaneous formulae

(50.4.2)Dana Group

50.4.2.1 Hoelite (C6H4)2(CO)2 P 2₁/a 2/m

Strunz Class:

IX/B.02-30 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 Hoelite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Hoelite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 -École des Mines de Paris

Search for Hoelite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Hoelite :

AA Mineral Specimens

B & L Fine Minerals

Crystal Vaults

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

MineralsWeb Fine Minerals

Rockshop.cz

T G Fine Minerals

Wrights Rock Shop

Translate Hoelite Mineral Data :

Ask about Hoelite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Hoelite

(C6H4)2(CO)2
Dana No: 50.4.2.1 Strunz No: IX/B.02-30
Locality:

Notes: