Covellite Mineral Data + Say COVELLITE

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General Covellite Information
Help on Chemical Formula: Chemical Formula: CuS
Help on Composition: Composition: Molecular Weight = 95.61 gm
   Copper  66.46 %  Cu
   Sulfur  33.54 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: CuS
Help on Environment: Environment: Secondary origin in the oxidation zone of sulfide copper deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1832
Help on Locality: Locality: Monte Somma, Vesuvius, Naples, Naples province, Campania, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Italian mineralogist, N. Covelli (1790-1829).
Help on Synonym: Synonym: Covelline
  ICSD 63327
  PDF 6-464
 

Covellite Image

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Covellite

Comments: Covellite crystal group.
Location: Butte, Montana, USA. Scale: 8 x 4 cm.
© Fabre Minerals
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Covellite   Nukundamite

Comments: Metallic brownish rim of nukundamite with dark purplish-blue covellite on fine-grained pyrite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Covellite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:4.31012
Help on Cell Dimensions: Cell Dimensions: a = 3.792, c = 16.344, Z = 6; V = 203.53 Den(Calc)= 4.68
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.813(1), 1.896(0.75), 3.048(0.65),
Help on Forms: Forms:

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Drag1 - Manipulate Crystal
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Help on Above

Forms: [ 1 0 1] [ 0 0 1]

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Click Here for Large Covellite Structure Window Crystal Structure:

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drag2 - RMB Resize/Rotate
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Berry L G , American Mineralogist , 39 (1954) p.504-509, The crystal structure of covellite, CuS and klockmannite, CuSe

View Additional jPOWD Structure files for Covellite
[1] [10] [11] [2] [3] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Covellite

Help on Cleavage: Cleavage: [0001] Perfect
Help on Color: Color: Indigo blue, Light blue, Dark blue, Black.
Help on Density: Density: 4.6 - 4.76, Average = 4.68
Help on Diaphaniety: Diaphaniety: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Foliated - Two dimensional platy forms.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: None.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: black gray
 

Optical Properties of Covellite

Help on Dichroism (e): Dichroism (e): deep blue.
Help on Dichroism (w): Dichroism (w): blackish blue.
Help on Optical Data: Optical Data: Uniaxial (+), w=1.45, e=2.62, bire=1.1700.
Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Color: RL Color: Indigo-blue, commonly highly iridescent, brass yellow to deep red.
Help on RL Pleochroism: RL Pleochroism: Marked, deep blue to blue-white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Covellite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   16.60   30.70 
   
 420 nm   15.70   29.80 
 440 nm   14.80   28.90 
 460 nm   13.70   27.80 
 480 nm   12.20   26.60 
 500 nm   10.60   25.10 
 520 nm    8.80   23.50 
 540 nm    6.80   21.90 
 560 nm    5.20   20.40 
 580 nm    3.80   19.30 
 600 nm    3.00   19.00 
 620 nm    3.20   19.50 
 640 nm    4.60   20.20 
 660 nm    8.70   20.80 
 680 nm   15.20   21.40 
 700 nm   24.20   22.30 
Calculated Relative Intensity Colors of Covellite in Air
Relative
Intensity		    0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000%
R1                      
R2                      
 

Calculated Properties of Covellite

Help on Electron Density: Electron Density:

relectron=4.41 gm/cc
note: rCovellite =4.68 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.00251
Boson Index = 0.99749
Help on Photoelectric: Photoelectric:

PECovellite = 31.55 barns/electron
U=PECovellite x relectron= 139.00 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Covellite is Not Radioactive
 

Covellite Classification
Help on Dana Class: Dana Class: 2.8.12.1 (2)Sulfides - Including Selenides and Tellurides
  (2.8)where Am Bn Xp, with (m+n):p=1:1
  (2.8.12)Dana Group
 
2.8.12.1 Covellite CuS P 63/mmc 6/m 2/m 2/m
 
2.8.12.2 Klockmannite CuSe P 63/mmc 6/m 2/m 2/m
Help on Strunz Class: Strunz Class: II/C.22-10 II - Sulfides and sulphosalts
  II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1
  II/C.22 - Covellite series
 
II/C.22-10 Covellite CuS P 63/mmc 6/m 2/m 2/m
 
II/C.22-20 Klockmannite CuSe P 63/mmc 6/m 2/m 2/m
 
II/C.22-30 Idaite Cu5FeS6 P 63/mmc 6/m 2/m 2/m
 
II/C.22-40 Nukundamite (Cu,Fe)4S4 P 3m1 3 2/m
 

Other Covellite 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 Covellite :
1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Applied Mineralogy 4 -Athena 5 - Crocoite.com Mineral Locations 6 - EUROmin Project 7 - Franklin Minerals(Dunn) 8 - Glendale Community College 9 -Google Images 10 -Google Scholar 11 -Handbook of Mineralogy (UofA) 12 -MinDAT 13 -MinMax(Deutsch) 14 -MinMax(English) 15 -Mineralienatlas (Deutsch) 16 - Minerals of Wisconsin 17 -QUT Mineral Atlas 18 - Scandinavian mineral gallery 19 - University of Manchester - Mineral Structure 20 - WWW-MINCRYST 21 -École des Mines de Paris

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Translate Covellite Mineral Data :

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

Covellite

CuS
Dana No: 2.8.12.1 Strunz No: II/C.22-10
Locality:

 

Notes:

 
 
   
 
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