SUPER WHITE QUARTZ CRYSTALS, OR ROCK CRYSTAL FROM BRAZIL. MULTI CRYSTALIZATION OF QUARTZ IN DIFFERENT SIZES ON A SMALL BASE. TWIN CRYSTALS ON THE MAIN AND CENTRAL.
Quartz is the most common mineral, the most abundant that can be found on earth.
It is composed of silicon and oxygen with SiO₂ formula.
According to the Nickel-Strunz classification, quartz belongs to the class of oxides, while in the Dana classification, it is considered a tectosilicate.
There are multiple varieties of quartz , colors and types.
