{"version":"1.0","type":"link","title":"Quartz - Newikis","description":"Quartz is a tectosilicate mineral that is the second most common mineral in Earth's continental crust. Its crystal structure is a framework of SiO4 silicon–oxygen tetrahedra. Each shares an oxygen atom with another tetrahedron, so the overall chemical formula is SiO2 or silica. It is also known for…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/4/4a/Quartz_oisan.jpg/1280px-Quartz_oisan.jpg","thumbnail_width":1280,"thumbnail_height":1289}