mineral
Green Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and a hexagonal crystal system. It typically exhibits translucent pale green to deep green hues due to inclusions.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and a hexagonal crystal system. It typically exhibits translucent pale green to deep green hues due to inclusions.
Formation & geological history
Formed in hydrothermal veins and pegmatites, often through silica-rich solutions depositing within rock cavities over millions of years.
Uses & applications
Used primarily in jewelry, lapidary arts, and ornamental carvings.
Geological facts
Green quartz is sometimes naturally colored by mineral inclusions like actinolite or chlorite, though much of the commercial market consists of heat-treated amethyst.
Field identification & locations
Identified by its hard scratch resistance on glass, lack of cleavage, and waxy to vitreous luster. Commonly found worldwide, including in the Minas Gerais region of Brazil.
