Rock Identifier
Amethyst Cluster (Silicon Dioxide (SiO2)) — mineral
mineral

Amethyst Cluster

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, purple to violet color, vitreous luster, hexagonal crystal system, and no cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, purple to violet color, vitreous luster, hexagonal crystal system, and no cleavage.

Formation & geological history

Forms in hydrothermal veins and gas cavities within igneous rocks through the cooling of silica-rich solutions.

Uses & applications

Widely used in jewelry, ornamental decorative items, and metaphysical healing practices.

Geological facts

Amethyst was historically prized as a precious gemstone equal in value to ruby and emerald until large deposits were discovered in Brazil.

Field identification & locations

Easily identified by its distinct purple crystalline druzy structure; commonly sourced from Brazil, Uruguay, and Zambia.