mineral
Milky Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to milky color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white to milky color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Forms in hydrothermal veins, pegmatites, and igneous rocks through the cooling and precipitation of silica-rich fluids.
Uses & applications
Used in glassmaking, electronics, abrasive materials, and as a semi-precious gemstone or collector mineral.
Geological facts
Milky quartz is the most common variety of crystalline quartz, its cloudy appearance caused by microscopic fluid inclusions.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and characteristic white cloudy appearance; found worldwide.
