Quartz

Quartz is a hard, crystalline mineral composed of silica (silicon dioxide)

Barytes

Barytes (or barite) is the naturally occurring mineral form of barium sulphate

Granites

Granite is medium-grained intrusive igneous rock that is rich in quartz and feldspar

Marbel

Marble is a rock resulting from metamorphism of sedimentary carbonate rocks, most commonly limestone or dolomite (rock)