China OEM Size Natural Pumice Stone/Lava Rock for Paving, Find details about China Pumice Stone, Volcanic Stone from OEM Size Natural Pumice Stone/Lava Rock for Paving
SiO2 | CaO | MgO | Fe2O3 | FeO | Al2O3 | TiO2 | K2O | Na2O |
53.82% | 8.36% | 2.46% | 9.08% | 1.12% | 16.89% | 0.06% | 2.30% | 2.55% |