Mineralogy Database

Copper Mineral Data

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General Copper Information

Help on Chemical  Formula: Chemical Formula: Cu
Help on Composition: Composition: Molecular Weight = 63.55 gm
   Copper 100.00 %  Cu
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu
Help on Environment: Environment: Cap rock of copper sulfide veins and in some types of volcanic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Northern Michigan, USA, Cyprus island, Greece. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, Kyprios, the name of the island of Cyprus, once producing this metal.
Help on Name Pronunciation: Name Pronunciation: Copper Say COPPER
Help on Synonym: Synonym: Cuivre
  ICSD 64699
  PDF 4-836

Copper Image

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Comments: Native copper forming a branching cluster of crystals with some massive calcite.
Location: Houghton County, Michigan, USA. Scale: Crystal size 1.5 cm.
© Dan Weinrich

Copper Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 3.615, Z = 4; V = 47.24 Den(Calc)= 8.93
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.088(1), 1.808(0.46), 1.278(0.2),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 1) ( 0 1 1) ( 0 1 0) ( 1 0 0)

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Physical Properties of Copper

Help on Cleavage: Cleavage: None
Help on Color: Color: Brown, Copper red, Light pink, Red.
Help on Density: Density: 8.94 - 8.95, Average = 8.94
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Hackly - Jagged, torn surfaces, (e.g. fractured metals).
Help on Habit: Habit: Arborescent - "Tree like" growths of branched systems (e.g. silver).
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: rose

Optical Properties of Copper

Help on RL Color: RL Color: Rose-white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Copper in Air
λ R  ∑ R(λ) 
 400 nm   35.20   
 420 nm   37.70 
 440 nm   40.20 
 460 nm   42.20 
 480 nm   43.80 
 500 nm   45.00 
 520 nm   46.00 
 540 nm   47.60 
 560 nm   52.60 
 580 nm   63.90 
 600 nm   71.00 
 620 nm   75.40 
 640 nm   78.50 
 660 nm   81.00 
 680 nm   83.20 
 700 nm   85.20 
Calculated Relative Intensity Colors of Copper in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210% 220%

Calculated Properties of Copper

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=8.15 gm/cc
note: Specific Gravity of Copper =8.93 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0
Boson Index = 1
Help on Photoelectric: Photoelectric: PECopper = 45.98 barns/electron
U=PECopper x rElectron Density= 374.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Copper is Not Radioactive

Copper Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.01)Gold group Gold Au F m3m 4/m 3 2/m Silver Ag F m3m 4/m 3 2/m Copper Cu F m3m 4/m 3 2/m Lead Pb F m3m 4/m 3 2/m Aluminum Al F m3m,P m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 01.AA.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AA -Copper-cupalite family
01.AA.05 Aluminum Al F m3m,P m3m 4/m 3 2/m
01.AA.05 Copper Cu F m3m 4/m 3 2/m
01.AA.05 Lead Pb F m3m 4/m 3 2/m
01.AA.05 Gold Au F m3m 4/m 3 2/m
01.AA.05 Nickel Ni F m3m 4/m 3 2/m
01.AA.05 Silver Ag F m3m 4/m 3 2/m

Other Copper 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 Copper :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - Franklin Minerals(Dunn)
5 - Franklin Minerals(Palache)
6 - GeoScienceWorld
7 - Glendale Community College
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - HyperPhysics
13 - MinDAT
14 - Mineral and Gemstone Kingdom
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - Philatelic Mineralogy
18 - QUT Mineral Atlas
19 - Ruff.Info
20 - Scandinavian mineral gallery
21 - The Copper Page
23 - YupRocks

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Dana No: Strunz No: 01.AA.05





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