Cinnabar Mineral Data + Say CINNABAR

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General Cinnabar 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: Low temperature hydrothermal solutions in veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 800
Help on Locality: Locality: Almaden, Spain. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Of uncertain original meaning, from the Latin, cinnabaris.
Help on Synonym: Synonym: Cinabre
  ICSD 70054
  PDF 42-1408
  Zinnober
 

Cinnabar Image

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Cinnabar

Comments: Red single hexagonal (Trigonal) crystal of cinnabar on dolomite.
Location: Fenghuang, Hunan Province, Peoples Republic of China. Scale: Crystal size 1 cm.
© Dave Barthelmy
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Cinnabar   Edoylerite

Comments: Yellow prismatic crystals of edoylerite with red cinnabar.
Location: Clear Creek Claim (Clear Creek Mine), New Idria district, San Benito Co., California, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Cinnabar Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.2885
Help on Cell Dimensions: Cell Dimensions: a = 4.149, c = 9.495, Z = 3; V = 141.55 Den(Calc)= 8.19
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: P 3121,P 3221
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.35(1), 2.863(0.95), 1.98(0.35),
Help on Forms: Forms:

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Forms: [ 1 0 0] [ 2 0 5]

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Ramsdell L S , American Mineralogist , 10 (1925) p.281-304, The crystal structures of some metallic sulfides

 

Physical Properties of Cinnabar

Help on Cleavage: Cleavage: [1010] Perfect
Help on Color: Color: Lead gray, Brown, Brown pink, Vermilion, Gray.
Help on Density: Density: 8.1
Help on Diaphaniety: Diaphaniety: Transparent to translucent to opaque
Help on Fracture: Fracture: Brittle - Sectile - Brittle fracture with slightly sectile shavings possible.
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luminescence: Luminescence: None.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: bright red
 

Optical Properties of Cinnabar

Help on Dichroism (e): Dichroism (e): cochineal red.
Help on Dichroism (w): Dichroism (w): cochineal red.
Help on Optical Data: Optical Data: Uniaxial (+), w=2.905, e=3.256, bire=0.3510.
Help on RL Anisotrophism: RL Anisotrophism: High.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cinnabar in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   36.30   37.80 
   
 420 nm   34.40   35.60 
 440 nm   32.50   33.20 
 460 nm   31.20   31.80 
 480 nm   30.30   30.90 
 500 nm   29.60   30.20 
 520 nm   28.90   29.70 
 540 nm   28.40   29.20 
 560 nm   28.00   28.80 
 580 nm   27.70   28.50 
 600 nm   27.50   28.30 
 620 nm   27.20   28.00 
 640 nm   26.90   27.70 
 660 nm   26.60   27.40 
 680 nm   26.30   27.00 
 700 nm   26.20   26.80 
Calculated Relative Intensity Colors of Cinnabar in Air
Relative
Intensity		    0%   40%   80% 100% 120% 160% 200% 240% 280% 320%
R1                    
R2                    
 

Calculated Properties of Cinnabar

Help on Electron Density: Electron Density:

relectron=6.76 gm/cc
note: rCinnabar =8.19 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.26141
Boson Index = 0.73859
Help on Photoelectric: Photoelectric:

PECinnabar =1,479.61 barns/electron
U=PECinnabar x relectron=10000.41 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Cinnabar is Not Radioactive
 

Cinnabar Classification
Help on Dana Class: Dana Class: 2.8.14.1 (2)Sulfides - Including Selenides and Tellurides
  (2.8)where Am Bn Xp, with (m+n):p=1:1
  (2.8.14)Dana Group
 
2.8.14.1 Cinnabar HgS P 3121,P 3221 3 2
Help on Strunz Class: Strunz Class: II/C.18-10 II - Sulfides and sulphosalts
  II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1
  II/C.18 - Cinnabarite - Hypercinnabarite series
 
II/C.18-10 Cinnabar HgS P 3121,P 3221 3 2
 
II/C.18-20 Hypercinnabar HgS Unk Hex
 

Other Cinnabar Information
Help on References: References: NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Cinnabar :
1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Applied Mineralogy 4 -Athena 5 - Crocoite.com Mineral Locations 6 - Glendale Community College 7 -Google Images 8 -Google Scholar 9 -Handbook of Mineralogy (UofA) 10 -MinDAT 11 -MinMax(Deutsch) 12 -MinMax(English) 13 -Mineral of the Month 14 -Mineralienatlas (Deutsch) 15 - Philatelic Mineralogy 16 -QUT Mineral Atlas 17 - University of Manchester - Mineral Structure 18 - WWW-MINCRYST 19 -theimage

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Cinnabar

HgS
Dana No: 2.8.14.1 Strunz No: II/C.18-10
Locality:

 

Notes:

 
 
   
 
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