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Physical Properties of Sperrylite
Cleavage:
{001} Indistinct
Color:
Tin white.
Density:
10.58
Diaphaneity:
Opaque
Fracture:
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Habit:
Crystalline - Fine - Occurs as well-formed fine sized crystals.
Habit:
Disseminated - Occurs in small, distinct particles dispersed in matrix.
Hardness:
6-7 - Orthoclase-Quartz
Luminescence:
Non-fluorescent.
Luster:
Metallic
Magnetism:
Nonmagnetic
Streak:
black
Optical Properties of Sperrylite
RL Pleochroism:
None.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Sperrylite in Air
λ
R
∑ R(λ)
400 nm
59.40
420 nm
58.20
440 nm
57.00
460 nm
56.20
480 nm
55.70
500 nm
55.40
520 nm
55.20
540 nm
55.20
560 nm
55.20
580 nm
55.20
600 nm
54.90
620 nm
54.40
640 nm
53.70
660 nm
53.20
680 nm
53.00
700 nm
53.40
Calculated Relative Intensity Colors of Sperrylite in Air
Relative Intensity
0%
20%
40%
60%
80%
100%
120%
140%
160%
170%
R
Calculated Properties of Sperrylite
Electron Density:
Bulk Density (Electron Density)=9.00 gm/cc note: Specific Gravity of Sperrylite =10.8 gm/cc.
Fermion Index:
Fermion Index = 0.19 Boson Index = 0.81
Photoelectric:
PESperrylite = 910.99 barns/electron U=PESperrylite x rElectron Density=8,199.75 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Sperrylite is Not Radioactive
Sperrylite Classification
Dana Class:
02.12.01.13(02)Sulfides - Including Selenides and Tellurides
Chemical Formula: 
