mineral

Amazonite

Microcline (KAlSi3O8) with lead impurities

Hardness: 6-6.5 Mohs; Color: Teal, green-blue, bluish-green often with white streaks; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions.

Hardness: 6-6
Color: Teal, green-blue, bluish-green often with white streaks
Luster: Vitreous to pearly

Identified July 4, 2026More mineral →

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Physical properties

Hardness: 6-6.5 Mohs; Color: Teal, green-blue, bluish-green often with white streaks; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions.

Formation & geological history

Formed in granitic pegmatites and metamorphic rocks. The distinct blue-green color is attributed to small amounts of lead and water within the feldspar structure. Found in Precambrian to recent deposits.

Uses & applications

Mainly used as a gemstone in jewelry, beads, cabochons, and decorative carvings. Highly valued by mineral collectors for its unique color.

Geological facts

Named after the Amazon River, although ironically it has never been found there. It is known as the 'Stone of Hope' and was historically used in ancient Egypt and Mesopotamia.

Field identification & locations

Identified by its signature turquoise-green color and the presence of white grid-like streaks (perthitic texture). Common locations include Russia, Brazil, Ethiopia, and Colorado, USA.