mineral
Milky Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to translucent 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 to translucent color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Forms primarily from hydrothermal solutions and cooling magma in igneous, metamorphic, and sedimentary environments worldwide.
Uses & applications
Used in glassmaking, abrasives, electronics, decorative items, and lapidary work.
Geological facts
Milky quartz is the most common variety of the quartz family, its white color caused by microscopic fluid inclusions trapped during crystal growth.
Field identification & locations
Easily identified by its high hardness, white milky appearance, and conchoidal fracture; commonly found in pegmatites and quartz veins.
