
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, brown to black color with vitreous luster, hexagonal crystal system, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, brown to black color with vitreous luster, hexagonal crystal system, and conchoidal fracture.
Formation & geological history
Forms in igneous and metamorphic rocks through natural irradiation of silicon dioxide by radioactive elements over geological time scales.
Uses & applications
Used extensively in jewelry, ornamental carvings, and metaphysical practices due to its grounding energy.
Geological facts
The dark coloration results from free silicon formed when natural radiation alters the crystal lattice structure.
Field identification & locations
Identified by its characteristic smoky-brown to black translucency and hexagonal prism habit; globally distributed in pegmatites.