On Metallic Mineral Silica Sand
Silica. Boron carbide, Electrolytic Manganese, etc. Refractory Raw Material. Fully stabilized zirconia. Unfully stabilized zirconia. Fused Zirconia Mullite. Zirconium Oxychloride. Silica sand. Black lead like natural scale.
Silicon (Si) is a semi-metallic or metalloid, because it has several of the metallic characteristics. Silicon is never found in its natural state, but rather in combination with oxygen as the silicate ion SiO 44- in silica-rich rocks such as obsidian, granite, diorite, and sandstone. Feldspar and quartz are the most significant silicate minerals.