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Physical Properties of Zincochromite
Color:
Brownish black.
Diaphaneity:
Translucent to Opaque
Habit:
Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Hardness:
5.8
Luster:
Sub Metallic
Optical Properties of Zincochromite
Optical Data:
Isotropic.
NCalc= 2.3 - from Gladstone-Dale relationship (KC = 0.244) where Ncalc=Dcalc*KC+1
RL Color:
Brownish gray with rare brown internal reflections.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Zincochromite in Air
λ
R
∑ R(λ)
440 nm
13.00
460 nm
12.40
480 nm
12.10
500 nm
12.00
520 nm
11.90
540 nm
11.80
560 nm
11.70
580 nm
11.60
600 nm
11.60
620 nm
11.60
640 nm
11.60
660 nm
11.60
680 nm
11.60
700 nm
11.60
Calculated Relative Intensity Colors of Zincochromite in Air
Relative Intensity
0%
80%
100%
160%
240%
320%
400%
480%
560%
640%
720%
760%
R
Calculated Properties of Zincochromite
Electron Density:
Bulk Density (Electron Density)=5.02 gm/cc note: Specific Gravity of Zincochromite =5.32 gm/cc.
Fermion Index:
Fermion Index = 0.05 Boson Index = 0.95
Photoelectric:
PEZincochromite = 24.45 barns/electron U=PEZincochromite x rElectron Density= 122.61 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Zincochromite is Not Radioactive
Chemical Formula: 
