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Physical Properties of Katoptrite
Cleavage:
{001} Perfect
Color:
Black, Red.
Density:
4.56
Diaphaneity:
Translucent to Opaque
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Anhedral Grains - Granular minerals without the expression of crystal shapes
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
5.5 - Knife Blade
Luster:
Metallic
Streak:
red brown
Optical Properties of Katoptrite
Gladstone-Dale:
CI meas= -0.071 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= -0.09 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2098,KPDmeas= 0.2061,KC= 0.1926 Ncalc = 1.86 - 1.88
Optical Data:
Biaxial (-), a=1.92, b=1.95, g=1.95, bire=0.0300, 2V(Calc)=0, 2V(Meas)=0-5. Dispersion r > v strong.
Pleochroism (x):
strong red brown.
Pleochroism (z):
strong orange.
Calculated Properties of Katoptrite
Electron Density:
Bulk Density (Electron Density)=4.25 gm/cc note: Specific Gravity of Katoptrite =4.56 gm/cc.
Fermion Index:
Fermion Index = 0.004398122 Boson Index = 0.995601878
Photoelectric:
PEKatoptrite = 63.79 barns/electron U=PEKatoptrite x rElectron Density= 271.23 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Katoptrite is Not Radioactive
Chemical Formula: 
