Place of Origin | China | Hardness | 4.5-5.0 |
SiO2 Content (%) | 48-52 | Fe2O3 Content (%) | 0.2-0.5 |
Al2O3 Content (%) | 0.25 | MgO Content (%) | 0.25 |
Whiteness | 90-91 | Refractive Index (%) | 1.62 |
Index Item | 800-2500M | Particle diameterD97(u03bcm)u2264 | 16-5 |
SiO2 Content% u2264 | 49.6 | CaO Content % u2265 | 47.3 |
Whiteness u2265 | 90 | Mohs hardness | 4.5-5.5 |
Melting point u2103 | 1540 | Bulk density g/cm3 | 2.75 |
Refractive index | 1.63 | Water Content % u2264 | 0.3 |
Anshan City mountain Shahe Town Taiping Village