Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar.
Country of Origin: Brazil
Price is for one Quartz point crystal similar to the ones pictured. Approximate sizes 4 to 5.5cm long.