WE PRESENT YOU THESE SMOKY QUARTZ CRYSTALS ON TWO MICROCLIMATE OR ORTOSA CRYSTALS. VERY GOOD QUALITY AND AT THE SAME TIME CURIOUS FORMATION OF THESE CRYSTALS, EXTRACTED IN THE AREA OF CAN MASSABE IN SILS, GIRONA. A VERY KNOWN AREA FOR THE EXTRACTION OF THESE TYPES OF 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.