Strontium Titanate
SrTiO3
Chemical name
Strontium Titanate
Mineral name
Tausonite
Chemical formula
SrTiO3
Melting point [°C]
2080
Crystal system
cubic
Crystal Class
hexoctahedral (4/m -3 2/m)
Space Group
Pm3m
Unit cell
a [Å]:3.905
b [Å]:3.905
c [Å]:3.905
Molecular weight [g/mol]
183,49
Formula units
Z=1
Frequent crystal surfaces
(100), (110), (111), (305)
Twinning
twinfree
Mohs hardness
6 - 6.5
Density [g/cm3]
5.12
Cleavage
indistinct
Fracture / Tenacity
brittle, conchoidal
Color
red to reddish-brown, orange, dark gray
Transparency
translucent to opaque
Optical character
isotropic
Refractive Index
nc=2.380; nd=2.409; nf=2.488