Minerals
Olivin
Olivin is a high temperature silicate mineral

Physical Characteristics
Loss on ignition % 0.2-0.6
Specific Weight 3.3 g/cm3
pH 8.9-9.5
Hardness 6.5-7.0 (According to Mohs)
Melting temperature 1750 oC- 1800 oC
Chemical Properties
MgO % 48.7
SiO2 % 42.5
Al2O3 % 0.6
LOI % 0.5

Granulation is available.