mineral
Yellow Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, yellow to golden color, vitreous luster, and trigonal crystal system with no cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, yellow to golden color, vitreous luster, and trigonal crystal system with no cleavage.
Formation & geological history
Forms in hydrothermal veins and pegmatites through the precipitation of silica-rich solutions under high pressure and temperature.
Uses & applications
Used primarily in jewelry, ornamental carvings, and as a popular collectible gemstone.
Geological facts
The yellow coloration is typically caused by natural irradiation or sub-microscopic iron oxide inclusions within the quartz matrix.
Field identification & locations
Identified by its conchoidal fracture, high scratch resistance against glass, and lack of reaction to acid. Found globally in quartz-bearing rocks.
