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 translucent color, vitreous to greasy luster, and 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, and conchoidal fracture with no true cleavage.

Formation & geological history

Formed through the cooling and precipitation of silica-rich hydrothermal solutions in veins and pegmatites.

Uses & applications

Used in gemstone carving, decorative items, glassmaking, and industrial silica applications.

Geological facts

It is the most common variety of quartz found on Earth, often appearing milky due to microscopic fluid inclusions.

Field identification & locations

Identified by its high hardness, lack of cleavage, and distinct milky-white translucency; found worldwide.