Coloradoite Mineral Data

Coloradoite Mineral Data
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General Coloradoite Information

Help on Chemical Formula: Chemical Formula: HgTe
Help on Composition: Composition: Molecular Weight = 328.19 gm
   Mercury    61.12 %  Hg
   Tellurium  38.88 %  Te
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: HgTe
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1877
Help on Locality: Locality: Smuggler mine, Ballerat district, Boulder County, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Coloradoite + Pronunciation Say COLORADOITE
Help on Synonym: Synonym: ICSD 60203
  PDF 32-665
 

Coloradoite Image

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Click Here for Larger Coloradoite Image

Coloradoite

Comments: Massive, metallic coloradoite.
Location: Kalgoorlie, Western Australia, Australia. Scale: 5x2.5x1.5 cm.
© John Betts - Fine Minerals

Coloradoite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 6.448, Z = 4; V = 268.09 Den(Calc)= 8.13
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.74(1), 2.29(0.9), 1.949(0.7),
Click Here for Large Coloradoite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, Note: ZnS structure, sphalerite structure

 

Physical Properties of Coloradoite

Help on Cleavage: Cleavage: None
Help on Color: Color: Grayish black, Black.
Help on Density: Density: 8.07
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: black
 

Optical Properties of Coloradoite

Help on RL Anisotrophism: RL Anisotrophism: Moderate, dark brownish red to blue-gray.
Help on RL Color: RL Color: White with slight grayish brown tint, tarnishing to dull purple.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Coloradoite in Air
λ R  ∑ R(λ) 
 400 nm   36.40   
 420 nm   36.00 
 440 nm   35.60 
 460 nm   35.20 
 480 nm   35.00 
 500 nm   34.90 
 520 nm   35.00 
 540 nm   35.40 
 560 nm   36.20 
 580 nm   37.00 
 600 nm   37.30 
 620 nm   37.00 
 640 nm   36.10 
 660 nm   35.40 
 680 nm   34.70 
 700 nm   34.20 
Calculated Relative Intensity Colors of Coloradoite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 250%
R                      
 

Calculated Properties of Coloradoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.54 gm/cc
note: Specific Gravity of Coloradoite =8.13 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.21
Boson Index = 0.79
Help on Photoelectric: Photoelectric: PEColoradoite =1,223.67 barns/electron
U=PEColoradoite x rElectron Density=8,002.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Coloradoite is Not Radioactive
 

Coloradoite Classification
Help on Dana Class: Dana Class: 02.08.02.05 (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 Coloradoite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Coloradoite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Coloradoite

HgTe
Dana No: 02.08.02.05 Strunz No: 02.CB.05a
Locality:

 

Notes: