PRIVATE MINERALPRIX COLLECTION PIECE THAT WE NOW HAVE FOR SALE. IMPRESSIVE MACLA OF SMOKY QUARTZ CRYSTALS WITH MICROCLIMATE. WE CAN OBSERVE A MANTLE OF EPIDOTE CRYSTALS EVEN INSIDE SEVERAL QUARTZ CRYSTALS.
Quartz is the most common mineral, the most abundant that can be found on earth.
It is composed of silicon and oxygen with the formula SiO₂.
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.
