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Physical Properties of Uvarovite
Cleavage:
None
Color:
Green.
Density:
3.4 - 3.8, Average = 3.59
Diaphaneity:
Transparent to translucent
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Crystalline - Fine - Occurs as well-formed fine sized crystals.
Habit:
Crystalline - Fine - Occurs as well-formed fine sized crystals.
Habit:
Lamellar - Thin laminae producing a lamellar structure.
Hardness:
6.5-7 - Pyrite-Quartz
Luminescence:
Fluorescent, Short UV=red, Long UV=red.
Luster:
Vitreous (Glassy)
Magnetism:
Nonmagnetic
Streak:
white
Optical Properties of Uvarovite
Gladstone-Dale:
CI meas= -0.192 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.115 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2234,KPDmeas= 0.2389,KC= 0.2004 Ncalc = 1.68 - 1.77
Optical Data:
Isotropic, n=1.86.
Calculated Properties of Uvarovite
Electron Density:
Bulk Density (Electron Density)=3.78 gm/cc note: Specific Gravity of Uvarovite =3.85 gm/cc.
Fermion Index:
Fermion Index = 0.02 Boson Index = 0.98
Photoelectric:
PEUvarovite = 8.23 barns/electron U=PEUvarovite x rElectron Density= 31.14 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Uvarovite is Not Radioactive
Uvarovite Classification
Dana Class:
51.04.03b.03(51)Nesosilicate Insular SiO4 Groups Only
Chemical Formula: 
