The History of Quartz Countertops - MSI Stone
The process to engineer quartz countertops by pressing polymer resins into natural, raw quartz crystals was developed by the Italian company, Breton S.p.A, in the early 1960s. Today, Breton continues to be a leading supplier of engineered stone-making equipment.Quartz | Minerals Education Coalition,Quartz is one of the most common minerals in the Earth’s crust. As a mineral name, quartz refers to a specific chemical compound (silicon dioxide, or silica, SiO 2), having a specific crystalline form (hexagonal). It is found is all forms of rock: igneous, metamorphic and sedimentary. Quartz is physically and chemically resistant to weathering.Gold in Quartz - February 2016 (Vol. 85, No. 06) - ICMJ's,,Gold in quartz veins occurs as particles and scales scattered through the quartz, often filling cracks and openings in the vein material. The gold can be such small particles as to be invisible to the naked eye, or as larger aggregates of easy to see blobs, leaves and crystals in cavities in the quartz.