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Hoelite Mineral Data

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General Hoelite Information

Help on Chemical  Formula: Chemical Formula: (C6H4)2(CO)2
Help on Composition: Composition: Molecular Weight = 208.22 gm
   Hydrogen   3.87 %  H
   Carbon    80.76 %  C
   Oxygen    15.37 %  O
            100.00 % 
Help on Empirical Formula: Empirical Formula: C12H8C2O2
Help on Environment: Environment: From a burning coal seam.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1922
Help on Locality: Locality: Spitzbergen, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Adolf Hoel (1879-?), geologist, leader of a Norwegian expedition to Spitzbergen.
Help on Name Pronunciation: Name Pronunciation: Hoelite Say HOELITE
Help on Synonym: Synonym: Anthraquinone

Hoelite Image

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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

Help on Axial Ratios: Axial Ratios: a:b:c =3.9853:1:1.9853
Help on Cell Dimensions: Cell Dimensions: a = 15.81, b = 3.967, c = 7.876, Z = 2; beta = 102.67° V = 481.94 Den(Calc)= 1.43
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.52(1), 7.69(0.95), 3.36(0.8),

Physical Properties of Hoelite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Yellow, Yellow green.
Help on Density: Density: 1.42
Help on Streak: Streak: light yellow

Calculated Properties of Hoelite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.48 gm/cc
note: Specific Gravity of Hoelite =1.43 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0089630964
Boson Index = 0.9910369036
Help on Photoelectric: Photoelectric: PEHoelite = 0.19 barns/electron
U=PEHoelite x rElectron Density= 0.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hoelite is Not Radioactive

Hoelite Classification

Help on  Dana Class: Dana Class: (50)Salts of Organic Acids
  (50.04)with miscellaneous formulae
  (50.04.02)Dana Group Hoelite (C6H4)2(CO)2 P 21/a 2/m
Help on  Strunz Class: Strunz Class: 10.CA.15 10 - ORGANIC COMPOUNDS
  10.C - Miscellaneous Organic Minerals
  10.CA -Miscellaneous Organic Materials
10.CA.15 Hoelite (C6H4)2(CO)2 P 21/a 2/m

Other Hoelite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Hoelite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 10.CA.15