Unknown - Minerals too small to observe fractures.
Habit:
Encrustations - Forms crust-like aggregates on matrix.
Habit:
Platy - Sheet forms (e.g. micas).
Hardness:
2 - Gypsum
Luminescence:
Non-fluorescent.
Luster:
Pearly
Streak:
white
Optical Properties of Brizziite-III
Dichroism (e):
colorless.
Dichroism (w):
colorless.
Gladstone-Dale:
CI meas= -3.939 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -3.864 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1486,KPDmeas= 0.1509,KC= 0.0305 Ncalc = 1.15
Optical Data:
Uniaxial (-), e=1.631, w=1.84, bire=0.2090.
Calculated Properties of Brizziite-III
Electron Density:
Bulk Density (Electron Density)=4.42 gm/cc note: Specific Gravity of Brizziite-III =4.95 gm/cc.
Fermion Index:
Fermion Index = 0.0001195361 Boson Index = 0.9998804639
Photoelectric:
PEBrizziite-III = 208.40 barns/electron U=PEBrizziite-III x rElectron Density= 920.59 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Brizziite-III is Not Radioactive