Hypercinnabar Mineral Data

General Hypercinnabar Information

Chemical Formula:

HgS

Composition:

Molecular Weight = 232.66 gm

Mercury 86.22 % Hg

Sulfur 13.78 % S

______

100.00 %

Empirical Formula:

HgS

Environment:

Microscopic grains in metacinnabar.

IMA Status:

Approved IMA 1978

Locality:

Mt. Diablo mine, Contra Costa County, California, USA. Link to MinDat.org Location Data.

Name Origin:

Named for its trimorphous relationship with cinnabar and metacinnabar.

Name Pronunciation:

Hypercinnabar + Pronunciation

Hypercinnabar Image

Images:

Hypercinnabar

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

Axial Ratios:

a:c = 1:2.01569

Cell Dimensions:

a = 7.01, c = 14.13, Z = 12; V = 601.32 Den(Calc)= 7.71

Crystal System:

HexagonalSpace Group: Unk

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

By Intensity(I/I_o): 1.892(1), 1.98(1), 3.08(1),

Physical Properties of Hypercinnabar

Cleavage:

None

Color:

Red, Purple black.

Density:

7.43

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

3 - Calcite

Luster:

Adamantine

Streak:

reddish black

Optical Properties of Hypercinnabar

Optical Data:

Uniaxial (+), w=2.61, e=2.85, bire=0.2400.

RL Anisotrophism:

Distinct in oil.

RL Color:

Grayish white.

Calculated Properties of Hypercinnabar

Electron Density:

Bulk Density (Electron Density)=6.36 gm/cc
note: Specific Gravity of Hypercinnabar =7.71 gm/cc.

Fermion Index:

Fermion Index = 0.26
Boson Index = 0.74

Photoelectric:

PE_{Hypercinnabar}=1,479.61 barns/electron
U=PE_{Hypercinnabar} x rElectron Density=9,414.31 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hypercinnabar is Not Radioactive

Hypercinnabar Classification

Dana Class:

02.08.08.01 (02)Sulfides - Including Selenides and Tellurides

(02.08)where Am Bn Xp, with (m+n):p=1:1

(02.08.08)Dana Group

02.08.08.01 Hypercinnabar HgS Unk Hex

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

References:

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

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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Ask about Hypercinnabar here :
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Print or Cut-and-Paste your Hypercinnabar Specimen Label here :

Hypercinnabar

HgS
Dana No: 02.08.08.01 Strunz No: 02.CD.15b
Locality:

Notes: