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Physical Properties of Boleite
Cleavage:
{001} Perfect, {101} Good
Color:
Indigo blue, Light blue.
Density:
4.8 - 5.1, Average = 4.94
Diaphaneity:
Transparent to subtranslucent
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Pseudo Cubic - Crystals show a cubic outline.
Hardness:
3-3.5 - Calcite-Copper Penny
Luster:
Vitreous - Pearly
Streak:
light green
Optical Properties of Boleite
Gladstone-Dale:
CI meas= -0.055 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.028 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2067,KPDmeas= 0.2121,KC= 0.2011 Ncalc = 1.97 - 2.03
Optical Data:
Isotropic, n=2.05.
Calculated Properties of Boleite
Electron Density:
Bulk Density (Electron Density)=4.42 gm/cc note: Specific Gravity of Boleite =5.08 gm/cc.
Fermion Index:
Fermion Index = 0.1 Boson Index = 0.9
Photoelectric:
PEBoleite = 900.94 barns/electron U=PEBoleite x relectron=3,980.61 barns/cc.
Radioactivity:
GRapi = 4.47 (Gamma Ray American Petroleum Institute Units)
Concentration of Boleite per GRapi unit = 22.36 (%)
Estimated Radioactivity from Boleite - barely detectable
Chemical Formula: 
- barely detectable