BONITA PIEZA DE CRISTALES DE AMATISTA EN SU MATRIZ. TONALIDAD SUEVE DE COLOR, PERO HERMOSA POR SU FORMA Y DISEÑO CON UN CRISTAL GIGANTE EN SU BASE. EXTRAIDA DE LA UNION, MURCIA
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.
