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

Amazonite

Microcline feldspar (KAlSi3O8)

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, vibrant turquoise-green color, vitreous luster, and triclinic crystal system. It often displays distinct white grid-like twinning patterns.

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Physical properties

Hardness of 6 on the Mohs scale, vibrant turquoise-green color, vitreous luster, and triclinic crystal system. It often displays distinct white grid-like twinning patterns.

Formation & geological history

Forms in pegmatites and granitic rocks through hydrothermal activity and slow cooling of magma rich in potassium and lead.

Uses & applications

Widely used as a gemstone in cabochons, beads, ornamental carvings, and holistic crystal collections.

Geological facts

Despite its name, no amazonite deposits are found in the Amazon River basin; the green color results from trace amounts of lead and water within the feldspar structure.

Field identification & locations

Identified by its signature blue-green color and characteristic white mottled patterning. Major sources include Russia, Colorado, Brazil, and Madagascar.