Mineralogy Database

Hypercinnabar Mineral Data

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General Hypercinnabar Information

Help on Chemical  Formula: Chemical Formula: HgS
Help on Composition: Composition: Molecular Weight = 232.66 gm
   Mercury  86.22 %  Hg
   Sulfur   13.78 %  S
           100.00 % 
Help on Empirical Formula: Empirical Formula: HgS
Help on Environment: Environment: Microscopic grains in metacinnabar.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Mt. Diablo mine, Contra Costa County, California, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its trimorphous relationship with cinnabar and metacinnabar.
Help on Name Pronunciation: Name Pronunciation: Hypercinnabar + Pronunciation Say HYPERCINNABAR

Hypercinnabar Image

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Comments: Black hypercinnaber, with dark red cinnabar, in calcite matrix.
Location: Manhattan District, Nye Co., Nevada, USA. Scale: Field of view 1 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Hypercinnabar Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.01569
Help on Cell Dimensions: Cell Dimensions: a = 7.01, c = 14.13, Z = 12; V = 601.32 Den(Calc)= 7.71
Help on Crystal System: Crystal System: Hexagonal Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.892(1), 1.98(1), 3.08(1),

Physical Properties of Hypercinnabar

Help on Cleavage: Cleavage: None
Help on Color: Color: Red, Purple black.
Help on Density: Density: 7.43
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: reddish black

Optical Properties of Hypercinnabar

Help on Optical Data: Optical Data: Uniaxial (+), w=2.61, e=2.85, bire=0.2400.
Help on RL Anisotrophism: RL Anisotrophism: Distinct in oil.
Help on RL Color: RL Color: Grayish white.

Calculated Properties of Hypercinnabar

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.36 gm/cc
note: Specific Gravity of Hypercinnabar =7.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.26
Boson Index = 0.74
Help on Photoelectric: Photoelectric: PEHypercinnabar =1,479.61 barns/electron
U=PEHypercinnabar x rElectron Density=9,414.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hypercinnabar is Not Radioactive

Hypercinnabar Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.08)Dana Group Hypercinnabar HgS Unk Hex
Help on  Strunz Class: Strunz Class: 02.CD.15b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CD -With Sn, Pb, Hg, etc.
02.CD.15b Hypercinnabar HgS Unk Hex

Other Hypercinnabar Information

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

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Dana No: Strunz No: 02.CD.15b





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