gemstone
Amethyst
Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, purple color, vitreous luster, hexagonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, purple color, vitreous luster, hexagonal crystal system, and conchoidal fracture.
Formation & geological history
Forms in hydrothermal veins and cavities of volcanic rocks through the inclusion of trace iron and natural irradiation.
Uses & applications
Extensively used in fine jewelry, decorative carvings, and spiritual collection.
Geological facts
Ancient Greeks believed amethyst prevented intoxication, deriving its name from the Greek word amethystos, meaning not intoxicated.
Field identification & locations
Readily identified by its distinct purple hue and quartz hardness; found globally with notable deposits in Brazil, Uruguay, and Zambia.
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