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Physical Properties of Tellurite
Cleavage:
{010} Perfect
Color:
Yellow orange, White, Straw yellow.
Density:
5.9
Diaphaneity:
Subtranslucent to opaque
Fracture:
Flexible - Flexible fragments.
Habit:
Acicular - Occurs as needle-like crystals.
Habit:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Hardness:
2 - Gypsum
Luminescence:
Non-fluorescent.
Luster:
Adamantine
Magnetism:
Nonmagnetic
Streak:
white
Optical Properties of Tellurite
Gladstone-Dale:
CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.018 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2046,KPDmeas= 0.1994,KC= 0.201 Ncalc = 2.16 - 2.19
Optical Data:
Biaxial (-), a=2, b=2.18, g=2.35, bire=0.3500
Calculated Properties of Tellurite
Electron Density:
Bulk Density (Electron Density)=5.03 gm/cc note: Specific Gravity of Tellurite =5.90 gm/cc.
Fermion Index:
Fermion Index = 0.06 Boson Index = 0.94
Photoelectric:
PETellurite = 287.88 barns/electron U=PETellurite x rElectron Density=1,447.32 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tellurite is Not Radioactive
Chemical Formula: 
