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Physical Properties of Copper
Cleavage:
None
Color:
Brown, Copper red, Light pink, Red.
Density:
8.94 - 8.95, Average = 8.94
Diaphaneity:
Opaque
Fracture:
Hackly - Jagged, torn surfaces, (e.g. fractured metals).
Habit:
Arborescent - "Tree like" growths of branched systems (e.g. silver).
Habit:
Nodular - Tuberose forms having irregular protuberances over the surface.
Hardness:
2.5-3 - Finger Nail-Calcite
Luminescence:
Non-fluorescent.
Luster:
Metallic
Magnetism:
Nonmagnetic
Streak:
rose
Optical Properties of Copper
RL Color:
Rose-white.
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
Relative Intensity
0%
30%
60%
90%
100%
120%
150%
180%
210%
220%
R
Calculated Properties of Copper
Electron Density:
Bulk Density (Electron Density)=8.15 gm/cc note: Specific Gravity of Copper =8.93 gm/cc.
Fermion Index:
Fermion Index = 0 Boson Index = 1
Photoelectric:
PECopper = 45.98 barns/electron U=PECopper x rElectron Density= 374.77 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Copper is Not Radioactive
Chemical Formula: 
