These high-quality polished quartz with double terminations are from the quartz fields in Brazil. Quartz is the most plentiful crystalline structure in the world – however, these specimens are special as their internal fractures and clouds perfectly showcases for what makes quartz so beautiful – the refraction of light. These specimens have been expertly polished into perfect points.
Quartz is part of the oxides group of minerals, composed of SiO2, with the hardness of 7. It forms hexagonal prisms, terminated with trigonal