logo comp4

Is Sandstone A Silica

Silica stonecrystalline silica and cementing silicarystalline silica crystalline silica is composed of siliceous sandstone quartz sandstone by metamorphism recrystallization and metamorphic rock siliceous cements of siliceous sandstone under the effect of geological conditions in the original quartz grain surface recrystallization become increasing part of the quartz grains.