mineral

Amazonite

K(AlSi3O8)

AI-generated identification · may be incorrect

Hardness: 6-6.5 (Mohs scale); Color: green, blue-green, or turquoise-green; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific gravity: 2.56-2.58

Hardness: 6-6
Color: green, blue-green, or turquoise-green
Luster: Vitreous to pearly

Identified June 30, 2026More mineral →

Explore Amazonite in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Hardness: 6-6.5 (Mohs scale); Color: green, blue-green, or turquoise-green; Luster: Vitreous to pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific gravity: 2.56-2.58

Formation & geological history

Found primarily in granitic rocks and pegmatites. The green color is caused by the presence of small amounts of lead and water within the feldspar structure.

Uses & applications

Mainly used as a gemstone for jewelry, ornamental carvings, and as a popular specimen for mineral collectors.

Geological facts

Also known as Amazon Stone, it was named after the Amazon River, although no deposits have actually been found there. It is the green variety of microcline feldspar.

Field identification & locations

Identify in the field by its distinct blue-green color and white streaks/schiller effect (perthitic texture). Common locations include the Ilmen Mountains in Russia, Colorado and Virginia in the USA, and Madagascar.