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Hoelite Mineral Data
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General Hoelite Information
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 Chemical Formula: |
(C6H4)2(CO)2 |
| Composition: |
Molecular Weight = 208.22 gm |
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Hydrogen 3.87 % H |
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Carbon 80.76 % C |
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Oxygen 15.37 % O |
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______ |
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100.00 % |
| Empirical Formula: |
C12H8C2O2 |
| 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. |
| Name Pronunciation: |
Hoelite  |
| Synonym: |
Anthraquinone |
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Hoelite Image |
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Images:
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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 |
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Hoelite Crystallography
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| 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 - Prismatic H-M Symbol (2/m) Space Group: P 21/a |
| X Ray Diffraction: |
By Intensity(I/Io): 3.52(1), 7.69(0.95), 3.36(0.8), |
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Physical Properties of Hoelite
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| Cleavage: |
{???} Good |
| Color: |
Yellow, Yellow green. |
| Density: |
1.42 |
| Streak: |
light yellow |
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Calculated Properties of Hoelite
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| Electron Density: |
Bulk Density (Electron Density)=1.48 gm/cc
note: Specific Gravity of Hoelite =1.43 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0089630964
Boson Index = 0.9910369036 |
| Photoelectric: |
PEHoelite = 0.19 barns/electron
U=PEHoelite x rElectron Density= 0.28 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hoelite is Not Radioactive |
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Hoelite Classification
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| Dana Class: |
50.04.02.01 (50)Salts of Organic Acids |
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(50.04)with miscellaneous formulae |
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(50.04.02)Dana Group |
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50.04.02.01 Hoelite (C6H4)2(CO)2 P 21/a 2/m |
| Strunz Class: |
10.CA.15 10 - ORGANIC COMPOUNDS |
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10.C - Miscellaneous Organic Minerals |
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10.CA -Miscellaneous Organic Materials |
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10.CA.15 Hoelite (C6H4)2(CO)2 P 21/a 2/m |
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Other Hoelite Information
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| 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 - 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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[WebCrawler]
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Print or Cut-and-Paste your Hoelite Specimen Label here :
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Hoelite
(C6H4)2(CO)2
Dana No: 50.04.02.01 Strunz No: 10.CA.15
Locality:
Notes:
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