
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 in wide varieties of igneous, metamorphic, and sedimentary environments through hydrothermal veins and crystallization from silica-rich solutions.
Uses & applications
Used in electronics, glassmaking, precision instruments, and as a popular tumbled stone or gemstone in jewelry.
Geological facts
Milky quartz gets its cloudy appearance from microscopic fluid inclusions trapped during crystal growth.
Field identification & locations
Easily identified by its high hardness of 7 which easily scratches glass and its lack of cleavage. Found worldwide in nearly every geological environment.