mineral
Milky Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to milky color with a vitreous to greasy luster, trigonal crystal system, and no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white to milky color with a vitreous to greasy luster, trigonal crystal system, and no true cleavage.
Formation & geological history
Forms from hydrothermal solutions and cooling magma in various geological environments worldwide.
Uses & applications
Used in glassmaking, abrasives, electronics, and as an ornamental gemstone.
Geological facts
Milky quartz is the most common variety of crystalline quartz found on Earth, often clouded by microscopic fluid inclusions.
Field identification & locations
Identified by its milky-white appearance, high hardness, and conchoidal fracture; found globally in veins, pegmatites, and sedimentary rocks.
