mineral
Smoky Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale. Color ranges from brown to nearly black due to natural irradiation of aluminum impurities. Vitreous luster and hexagonal crystal system with conchoidal fracture.
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Physical properties
Hardness of 7 on Mohs scale. Color ranges from brown to nearly black due to natural irradiation of aluminum impurities. Vitreous luster and hexagonal crystal system with conchoidal fracture.
Formation & geological history
Forms in igneous, metamorphic, and pegmatitic environments where silica-rich hydrothermal solutions cool and crystallize underground over millions of years.
Uses & applications
Widely used in jewelry making, ornamental carvings, and metaphysical crystal collecting.
Geological facts
Smoky quartz is the national gemstone of Scotland, where it has deep historical and cultural significance in traditional highland jewelry.
Field identification & locations
Identified by its characteristic brownish translucent color and hard, six-sided prismatic crystals. Commonly sourced from Brazil, the US, and the Swiss Alps.
