Quartz, dolomite, feldspar, silica are most abundant minerals from earth crust. These minerals are widely used in form of rock, sand and powder. Quartz has various verities such as rock crystal, citrine, amethyst, smoky quartz, milky quartz, prasiolite and rutilated quartz. Mainly Quartz Colors are Colorless quartz, Purple quartz, Rose quartz, Red quartz, Black quartz, Yellow quartz, Brown quartz, Green quartz, Blue quartz and Orange quartz.
Feldspar has various varieties such as moonstone, Alkali feldspars, Plagioclase, Barium feldspars. These feldspars are valuable for general use even. Feldspar is white-gray, reddish, pink, green.
Silica is one of the most abundant mineral in earth crust. Coesite, Cristobalite, Lechatelierite, Melanophlogite, Stishovite and Tridymite are main types of silica. Silica is mostly found in combination with quartz and feldspar. White silica, blue grey silica, brown silica, grey silica and yellow silica are most famous types. Silica can be Colorless also.
Dolomite is also one of the most famous minerals. Dolomite is consisting of carbonate of calcium and magnesium. Some famous dolomite varieties are Brossite Dolomite, Cobaltoan Dolomite, Ferroan Dolomite, Gurhofian Dolomite, Manganoan Dolomite, Taraspite Dolomit
Dolomite comes in various colors such as white dolomite, pink dolomite, gray dolomite. It is alos available in various shading rock.