Mineralogy Database

Metacinnabar Mineral Data

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General Metacinnabar 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: Found with cinnabar in mercury deposits formed in near-surface, under low-temperature conditions.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1870
Help on Locality: Locality: Redington mine, Knoxville, Hapa Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek meta and cinnabar (similar chemical composition and association with cinnabar).
Help on Name Pronunciation: Name Pronunciation: Metacinnabar + Pronunciation Say METACINNABAR
Help on Synonym: Synonym: Guadalcazarite(Zn)
  ICSD 24094
  Kittlite - Se-bearing metacinnabar
  Onofrite(Se)
  PDF 6-261
  Saukovite(Cd)
 

Metacinnabar Image

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  Metacinnabar

Comments: Spherical metacinnabar crystals on quartz.
Location: Mt. Diablo mine, Contra Costa County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Metacinnabar Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.853, Z = 4; V = 200.51 Den(Calc)= 7.71
Help on Crystal System: Crystal System: Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.38(1), 2.068(0.55), 1.7644(0.45),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 1) ( 1 1 1) ( 1 1 2) ( 0 0 1)

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Physical Properties of Metacinnabar

Help on Cleavage: Cleavage: None
Help on Color: Color: Black, Gray black.
Help on Density: Density: 7.7 - 7.8, Average = 7.75
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: black
 

Optical Properties of Metacinnabar

Help on RL Anisotrophism: RL Anisotrophism: Very weak, occasionally.
Help on RL Color: RL Color: Grayish white.
Help on RL Pleochroism: RL Pleochroism: Weak, occasionally.
 

Calculated Properties of Metacinnabar

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

Metacinnabar Classification

Help on  Dana Class: Dana Class: 02.08.02.03 (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.02)Sphalerite Group (Isometric: F4-3m)
 
02.08.02.01 Sphalerite (Zn,Fe)S F43m 4 3m
 
02.08.02.02 Stilleite ZnSe F43m 4 3m
 
02.08.02.03 Metacinnabar HgS F43m 4 3m
 
02.08.02.04 Tiemannite HgSe F43m 4 3m
 
02.08.02.05 Coloradoite HgTe F43m 4 3m
 
02.08.02.06 Hawleyite CdS F43m 4 3m
 
02.08.02.07 Rudashevskyite! (Fe,Zn)S F43m 4 3m
Help on  Strunz Class: Strunz Class: 02.CB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
 
02.CB.05a Hawleyite CdS F43m 4 3m
 
02.CB.05a Coloradoite HgTe F43m 4 3m
 
02.CB.05a Metacinnabar HgS F43m 4 3m
 
02.CB.05a Sphalerite (Zn,Fe)S F43m 4 3m
 
02.CB.05a Tiemannite HgSe F43m 4 3m
 
02.CB.05a Stilleite ZnSe F43m 4 3m
 
02.CB.05a Rudashevskyite! (Fe,Zn)S F43m 4 3m
 

Other Metacinnabar Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Metacinnabar :
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
13 - WWW-MINCRYST

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

Metacinnabar

HgS
Dana No: 02.08.02.03 Strunz No: 02.CB.05a
Locality:

 

Notes:

 

 
   
 


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