Rock Identifier
Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral
mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale with white to translucent coloration and a vitreous to greasy luster. Exhibits conchoidal fracture and a hexagonal crystal system.

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Physical properties

Hardness of 7 on the Mohs scale with white to translucent coloration and a vitreous to greasy luster. Exhibits conchoidal fracture and a hexagonal crystal system.

Formation & geological history

Formed from cooling hydrothermal solutions rich in silica within Earth's crust over millions of years.

Uses & applications

Used in gemstone carving, decorative items, and occasionally for metaphysical practices.

Geological facts

Milky quartz is the most common variety of crystalline quartz found globally, often colored by microscopic fluid inclusions.

Field identification & locations

Easily identified by its high hardness (scratches glass) and lack of cleavage; found worldwide in pegmatites and veins.