mineral
Amethyst
Silicon Dioxide (Quartz variety), SiO2
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, distinct purple to violet color, vitreous luster, and trigonal crystal system with conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, distinct purple to violet color, vitreous luster, and trigonal crystal system with conchoidal fracture.
Formation & geological history
Forms within hydrothermal veins and gas cavities of volcanic rocks through the cooling of silica-rich solutions containing iron impurities.
Uses & applications
Widely used in jewelry, ornamental carvings, and as a popular collector mineral or crystal healing specimen.
Geological facts
Ancient Greeks believed amethyst prevented intoxication, deriving its name from the Greek word amethystos, meaning not intoxicated.
Field identification & locations
Identified by its characteristic purple hue and lack of cleavage; commonly sourced from Brazil, Uruguay, and Zambia.
