Rock Identifier
Amazonite (Microcline feldspar (KAlSi3O8)) — mineral
mineral

Amazonite

Microcline feldspar (KAlSi3O8)

AI-generated identification · may be incorrect

Hardness of 6 to 6.5 on the Mohs scale, vibrant turquoise-green color with white mottled grid patterns, vitreous luster, and specific gravity around 2.56.

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Physical properties

Hardness of 6 to 6.5 on the Mohs scale, vibrant turquoise-green color with white mottled grid patterns, vitreous luster, and specific gravity around 2.56.

Formation & geological history

Formed in pegmatites and granitic rocks through the slow cooling of magma, often associated with hydrothermal activity.

Uses & applications

Widely used in gemstone jewelry, decorative carvings, and as a popular specimen for mineral collectors.

Geological facts

Its distinct green-blue color was historically attributed to copper, but modern research shows it is caused by trace amounts of lead and water within the crystal lattice.

Field identification & locations

Identified by its characteristic opaque greenish-blue hue and distinct cross-hatch twinning. Found in locations like Russia, the USA, and Brazil.