gemstone
Amethyst
Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, purple to violet color, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, purple to violet color, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Forms in hydrothermal veins and gas cavities within igneous rocks, primarily through the incorporation of trace iron impurities irradiated by natural gamma rays.
Uses & applications
Widely used in jewelry, ornamental carvings, and holistic crystal collections.
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 distinct purple coloration and quartz crystal form; commonly sourced from Brazil, Uruguay, and Zambia.
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