mineral
Smoky Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, brown to nearly black coloration, vitreous luster, and trigonal crystal system with conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, brown to nearly black coloration, vitreous luster, and trigonal crystal system with conchoidal fracture.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through natural irradiation of crystalline quartz over millions of years.
Uses & applications
Widely used in jewelry, decorative carvings, and as a spiritual or metaphysical collector's mineral.
Geological facts
Its distinct dark color is caused by free silicon formed from natural gamma radiation acting on trace aluminum impurities.
Field identification & locations
Easily identified by its conchoidal fracture and characteristic smoky-brown translucency; commonly found in pegmatites globally.
