Vulcanite Mineral Data

Vulcanite Mineral Data
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General Vulcanite Information

Help on Chemical Formula: Chemical Formula: CuTe
Help on Composition: Composition: Molecular Weight = 191.15 gm
   Copper     33.24 %  Cu
   Tellurium  66.76 %  Te
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: CuTe
Help on Environment: Environment: Intermixed with other tellurides.
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: Good Hope mine, Vulcan, Gunnison County, Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Vulcanite + Pronunciation Say VULCANITE
Help on Synonym: Synonym: ICSD 42591
  PDF 22-252
 

Vulcanite Image

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Vulcanite

Comments: Pale yellow metallic massive vulcanite in rock.
Location: Iriki Mine, Kagoshima, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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Click Here for Larger Vulcanite Image

Vulcanite   Cameronite   Rickardite

Comments: Gray metallic massive cameronite showing subconchoidal fracture associated with purple rickardite and bronzy plates of vulcanite in a mass of tellurium, co-type specimen.
Location: Good Hope mine, Vulcan District, Gunnison County, Colorado, USA. Scale: See Image.
© Rruff Database

Vulcanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5884:1:0.4532
Help on Cell Dimensions: Cell Dimensions: a = 4.09, b = 6.95, c = 3.15, Z = 2; V = 89.54 Den(Calc)= 7.09
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.03(1), 2.86(0.7), 3.52(0.6),
Click Here for Large Vulcanite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Baranova R V , Pinsker Z G , Soviet Physics Crystallography , 9 (1964) p.83-85, Study of the copper-tellurium system in thin films, Locality: synthetic

 

Physical Properties of Vulcanite

Help on Cleavage: Cleavage: {hk0} Good, {h0l} Indistinct
Help on Color: Color: Bronze, Light bronze.
Help on Density: Density: 7.1
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Metallic
 

Optical Properties of Vulcanite

Help on RL Anisotrophism: RL Anisotrophism: Very strong, brilliant yellow-white, grayish yellow-white, yellow-orange to gray.
Help on RL Pleochroism: RL Pleochroism: Very strong, bright yellow to blue-gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Vulcanite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   25.60   30.70 
   
 420 nm   24.40   30.00 
 440 nm   23.00   30.50 
 460 nm   21.30   37.00 
 480 nm   19.70   47.90 
 500 nm   18.10   56.80 
 520 nm   16.60   63.40 
 540 nm   15.20   67.80 
 560 nm   13.80   70.80 
 580 nm   12.70   73.10 
 600 nm   11.80   74.90 
 620 nm   11.30   76.40 
 640 nm   11.20   77.40 
 660 nm   11.60   78.20 
 680 nm   12.90   78.90 
 700 nm   15.00   79.30 
Calculated Relative Intensity Colors of Vulcanite in Air
Relative
Intensity		    0%   70% 100% 140% 210% 280% 350% 420% 490% 560% 630%
R1                      
R2                      
 

Calculated Properties of Vulcanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.01 gm/cc
note: Specific Gravity of Vulcanite =7.09 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEVulcanite = 258.05 barns/electron
U=PEVulcanite x rElectron Density=1,550.58 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vulcanite is Not Radioactive
 

Vulcanite Classification
Help on Dana Class: Dana Class: 02.08.13.01 (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.13)Dana Group
 
02.08.13.01 Vulcanite CuTe Pmnm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 02.CB.75 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.75 Vulcanite CuTe Pmnm 2/m 2/m 2/m
 

Other Vulcanite 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 Vulcanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Vulcanite

CuTe
Dana No: 02.08.13.01 Strunz No: 02.CB.75
Locality:

 

Notes: