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Massive - Granular - Common texture observed in granite and other igneous rock.
Habit:
Pseudo Hexagonal - Crystals show a hexagonal outline.
Hardness:
3.5 - Copper Penny
Luminescence:
Fluorescent, Short UV=white, Long UV=herry red white.
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Strontianite
Gladstone-Dale:
CI meas= 0.009 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.009 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1632,KPDmeas= 0.1632,KC= 0.1647 Ncalc = 1.62
Optical Data:
Biaxial (-), a=1.516-1.52, b=1.664-1.667, g=1.666-1.668, bire=0.1480-0.1500, 2V(Calc)=12-8, 2V(Meas)=7. Dispersion weak, r < v.
Pleochroism (x):
colorless.
Pleochroism (y):
colorless.
Pleochroism (z):
colorless.
Calculated Properties of Strontianite
Electron Density:
Bulk Density (Electron Density)=3.48 gm/cc note: Specific Gravity of Strontianite =3.78 gm/cc.
Fermion Index:
Fermion Index = 0.04 Boson Index = 0.96
Photoelectric:
PEStrontianite = 68.16 barns/electron U=PEStrontianite x rElectron Density= 237.35 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Strontianite is Not Radioactive
Chemical Formula: 
