
mineral
White Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white or milky color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white or milky color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Forms primarily from cooling magma in igneous pegmatites or hydrothermal veins across various geological ages.
Uses & applications
Used in glassmaking, electronics, abrasives, and as a popular lapidary material for decorative carvings.
Geological facts
Milky quartz is the most common variety of quartz found globally, often containing microscopic fluid inclusions.
Field identification & locations
Identified by its lack of cleavage, high hardness capable of scratching glass, and distinctive white color.