Basic Properties

Chemical and Structural Properties

Crystal Structure: Trigonal, space group R3c
Lattics Parameters: a=b=12.532Å, c=12.717Å, Z=6
Melting point About 1095℃
Mohs Hardness 4
Density 3.85g/cm3
Thermal Conductivity 1.2W/m/K(┴c): 1.6w/m/K(//c)
Thermal Expansion Coefficients α,4x10-6/K; c,36x10-6/K
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