Rock Identifier
Milky Quartz (Silicon Dioxide (SiO2)) — mineral
mineral

Milky Quartz

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

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.

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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 primarily from hydrothermal veins and cooling magma chambers across diverse geological eras.

Uses & applications

Used in glassmaking, abrasives, electronics, countertops, and as a decorative mineral specimen.

Geological facts

Milky quartz is the most common variety of quartz found on Earth, often clouded by microscopic fluid inclusions.

Field identification & locations

Identified easily by its high hardness, lack of cleavage, and characteristic white cloudy appearance; found worldwide.