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Physical Properties of Arsenic
Cleavage:
{0001} Perfect
Color:
Lead gray, Gray, White.
Density:
5.7
Diaphaneity:
Opaque
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Lamellar - Thin laminae producing a lamellar structure.
Habit:
Nodular - Tuberose forms having irregular protuberances over the surface.
Habit:
Reniform - "Kidney like" in shape (e.g.. hematite).
Hardness:
3.5 - Copper Penny
Luminescence:
Non-fluorescent.
Luster:
Metallic
Magnetism:
Nonmagnetic
Streak:
black
Optical Properties of Arsenic
RL Anisotrophism:
Distinct, yellow brown and light gray to yellowish gray.
RL Pleochroism:
Feeble.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Arsenic in Air
λ
R1
R2
∑ R1(λ)
∑ R2(λ)
400 nm
53.90
58.40
420 nm
52.20
57.00
440 nm
50.50
55.60
460 nm
49.60
54.70
480 nm
48.90
54.20
500 nm
48.30
53.80
520 nm
47.80
53.40
540 nm
47.40
53.20
560 nm
47.20
52.90
580 nm
47.00
52.80
600 nm
46.90
52.70
620 nm
46.60
52.60
640 nm
46.40
52.60
660 nm
46.30
52.60
680 nm
46.40
52.70
700 nm
47.00
52.80
Calculated Relative Intensity Colors of Arsenic in Air
Relative Intensity
0%
20%
40%
60%
80%
100%
120%
140%
160%
180%
190%
R1
R2
Calculated Properties of Arsenic
Electron Density:
Bulk Density (Electron Density)=5.06 gm/cc note: Specific Gravity of Arsenic =5.74 gm/cc.
Fermion Index:
Fermion Index = 0 Boson Index = 1
Photoelectric:
PEArsenic = 73.21 barns/electron U=PEArsenic x rElectron Density= 370.20 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Arsenic is Not Radioactive
Chemical Formula: 
