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Physical Properties of Gersdorffite
Cleavage:
{100} Good, {010} Good, {001} Good
Color:
Gray, Grayish black, Silver white, Tin white.
Density:
5.9 - 6.33, Average = 6.11
Diaphaneity:
Opaque
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Habit:
Massive - Granular - Common texture observed in granite and other igneous rock.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
5.5 - Knife Blade
Luminescence:
Non-fluorescent.
Luster:
Metallic
Magnetism:
Nonmagnetic
Streak:
grayish black
Optical Properties of Gersdorffite
RL Color:
White.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Gersdorffite in Air
λ
R
∑ R(λ)
400 nm
47.40
420 nm
46.60
440 nm
45.80
460 nm
45.40
480 nm
45.10
500 nm
45.00
520 nm
45.00
540 nm
45.00
560 nm
45.10
580 nm
45.30
600 nm
45.50
620 nm
45.90
640 nm
46.20
660 nm
46.50
680 nm
46.90
700 nm
47.30
Calculated Relative Intensity Colors of Gersdorffite in Air
Relative Intensity
0%
30%
60%
90%
100%
120%
150%
180%
200%
R
Calculated Properties of Gersdorffite
Electron Density:
Bulk Density (Electron Density)=5.47 gm/cc note: Specific Gravity of Gersdorffite =5.88 gm/cc.
Fermion Index:
Fermion Index = 0.0054545213 Boson Index = 0.9945454787
Photoelectric:
PEGersdorffite = 47.24 barns/electron U=PEGersdorffite x rElectron Density= 258.17 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Gersdorffite is Not Radioactive
Gersdorffite Classification
Dana Class:
02.12.03.02(02)Sulfides - Including Selenides and Tellurides
Chemical Formula: 
