LOT OF 24 SMOKY QUARTZ POINTS OF DIFFERENT SIZES AND SOME IN MATRIX. PIECES EXTRACTED IN LA PEDRERA DE MASSABE IN SILS PROVINCE OF GIRONA. HIGH QUALITY CRYSTALS * THE PHOTOS OF THE LOTS ARE SAMPLE PHOTOS, THE MINERALS RECEIVED WILL BE SIMILAR QUALITY. FOR ANY DOUBT, CONTACT US. * THE PHOTOS ON THE LOTS ARE SAMPLE PHOTOS, THE MINERALS RECEIVED WILL BE OF SIMILAR QUALITY. FOR ANY DOUBT, CONTACT US.
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.
