Silica

Of oxide, quartz, cristobalite, crystal and tridymite.   May also be referred to as silicon dioxide and silicon oxide.

A white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite.

This concept's ID is @1~76198

Contains

  • flint 3 facts

    A hard kind of stone; a form of silica more opaque than chalcedony.

  • chert 1 facts

    Variety of silica containing microcrystalline quartz.

  • silex 0 facts

    A pure form of finely ground silica.