Tenorite Mineral Data

Tenorite Mineral Data
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General Tenorite Information

Help on Chemical Formula: Chemical Formula: CuO
Help on Composition: Composition: Molecular Weight = 79.55 gm
   Copper  79.89 %  Cu  100.00 % CuO
   Oxygen  20.11 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CuO
Help on Environment: Environment: Secondary copper mineral.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1841
Help on Locality: Locality: Vesuvio (Vesuvius), Napoli, Campania, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Italian botanist, M. Tenor (1781-1861).
Help on Name Pronunciation: Name Pronunciation: Tenorite Say TENORITE
Help on Synonym: Synonym: Black Copper Oxide
  ICSD 67850
  Melaconite
  Melanochalcite
  PDF 45-937
 

Tenorite Image

Click Here for Larger Tenorite Image in a New Browser Window Images:
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Tenorite   Chrysocolla

Comments: Lustrous black botryoidal Tenorite mostly covering a sky-blue massive chrysocolla matrix.
Location: 79 mine, Banner district, Pinal Co., Arizona. Scale: 5.5 x 3 cm.
© Dan Weinrich

Tenorite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.3585:1:1.4975
Help on Cell Dimensions: Cell Dimensions: a = 4.653, b = 3.425, c = 5.129, Z = 4; beta = 99.467° V = 80.63 Den(Calc)= 6.55
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.52(1), 2.32(0.96), 2.53(0.49),
Click Here for Large Tenorite Structure Window Crystal Structure:

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

 

Physical Properties of Tenorite

Help on Cleavage: Cleavage: None
Help on Color: Color: Black, Steel gray.
Help on Density: Density: 6.5
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: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Earthy (Dull)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: black
 

Optical Properties of Tenorite

Help on Optical Data: Optical Data: Biaxial (?)
  NCalc= 2.11 - from Gladstone-Dale relationship (KC = 0.17) where Ncalc=Dcalc*KC+1
NCalc= 2.11 - from Gladstone-Dale relationship (KC = 0.17) where Ncalc=Dmeas*KC+1
Help on Pleochroism (x): Pleochroism (x): light brown.
Help on Pleochroism (z): Pleochroism (z): dark brown.
Help on RL Anisotrophism: RL Anisotrophism: Strong, blue to gray.
Help on RL Bireflectance: RL Bireflectance: Strong.
Help on RL Color: RL Color: Light gray with a golden tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Tenorite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   22.80   29.60 
   
 420 nm   21.90   30.00 
 440 nm   21.00   30.40 
 460 nm   20.40   30.60 
 480 nm   20.10   30.80 
 500 nm   19.80   30.70 
 520 nm   19.70   30.40 
 540 nm   19.60   30.20 
 560 nm   19.50   29.80 
 580 nm   19.50   29.60 
 600 nm   19.40   29.40 
 620 nm   19.40   29.20 
 640 nm   19.40   29.10 
 660 nm   19.40   28.80 
 680 nm   19.30   28.60 
 700 nm   19.30   28.20 
Calculated Relative Intensity Colors of Tenorite in Air
Relative
Intensity		    0%   50% 100% 150% 200% 250% 300% 350% 400% 450%
R1                    
R2                    
 

Calculated Properties of Tenorite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.09 gm/cc
note: Specific Gravity of Tenorite =6.55 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000096545
Boson Index = 0.999903455
Help on Photoelectric: Photoelectric: PETenorite = 36.14 barns/electron
U=PETenorite x rElectron Density= 220.18 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tenorite is Not Radioactive
 

Tenorite Classification
Help on Dana Class: Dana Class: 04.02.03.01 (04)Simple Oxides
  (04.02)with a cation charge of 2+ (A++ O)
  (04.02.03)Dana Group
 
04.02.03.01 Tenorite CuO C 2/c 2/m
Help on Strunz Class: Strunz Class: 04.AB.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.A - Metal:Oxygen = 2.1 and 1:1
  04.AB -M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
 
04.AB.10 Tenorite CuO C 2/c 2/m
 

Other Tenorite Information
Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Tenorite :
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
15 - Scandinavian mineral gallery
16 - WWW-MINCRYST

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

Tenorite

CuO
Dana No: 04.02.03.01 Strunz No: 04.AB.10
Locality:

 

Notes: