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Tausonite

IMA-Approved Mineral Species


Properties and Data
Physical Properties
Composition
SrTiO3
Chemical Name
Strontium Titanate
Molecular Weight
183.485 g/mol
Density
4.88 - 5.11 g/cm3
Mohs Hardness
5.5 - 6.5
Member of
Perovskite Subgroup
Crystal System
Isometric
Optical Properties
Type
Isotropic
Refractive Index
n = 2.394 - 2.417
Dispersion Factor
0.19

Additional Properties
Inherent
Piezoelectric
Additional Information
Otherwise known by STO, Fabulite, Marvelite, or Diagem

Material articles have temporarily been disabled for renewal and polishing.
Variants and Types
Intrinsic
Intrinsic
Color: Beige to Black
Production and Synthesis
Verneuil Method
Verneuil Method
Involves sputtering molten material onto a boule similarly to plasma coating. Produces gem-grade quickly and cheaply, but often with defects.
References
REFERENCES





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