Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Hardness:
2 - Gypsum
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Bilinite
Gladstone-Dale:
CI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.067 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2513,KPDmeas= 0.2674,KC= 0.2692 Ncalc = 1.5 - 1.54
Optical Data:
Biaxial (+/-), b=1.5
Calculated Properties of Bilinite
Electron Density:
Bulk Density (Electron Density)=1.93 gm/cc note: Specific Gravity of Bilinite =1.87 gm/cc.
Fermion Index:
Fermion Index = 0.0050755938 Boson Index = 0.9949244062
Photoelectric:
PEBilinite = 5.92 barns/electron U=PEBilinite x rElectron Density= 11.45 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Bilinite is Not Radioactive