mineral

Amazonite

Microcline (KAlSi3O8)

Hardness: 6 to 6.5; Color: Mint green to turquoise/aqua; Luster: Vitreous/Pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific gravity: 2.56-2.58.

Hardness: 6 to 6
Color: Mint green to turquoise/aqua
Luster: Vitreous/Pearly

Identified May 29, 2026More mineral →

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Physical properties

Hardness: 6 to 6.5; Color: Mint green to turquoise/aqua; Luster: Vitreous/Pearly; Crystal structure: Triclinic; Cleavage: Perfect in two directions; Specific gravity: 2.56-2.58.

Formation & geological history

Formed in plutonic rocks, primarily granitic pegmatites. The green color is attributed to small amounts of lead and water within the feldspar structure.

Uses & applications

Primarily used as a gemstone for jewelry (cabochons, beads), decorative carvings, and as a collector's mineral specimen.

Geological facts

Amazonite is known as the 'Stone of Hope.' Despite its name, it is not found in the Amazon River itself, but in the surrounding regions. Its color can range from a pale green to a deep blue-green.

Field identification & locations

Identify by its distinctive blue-green color and the presence of white streaks or 'schiller' effect. It is commonly found in Colorado (Pikes Peak), Russia (Ural Mountains), and Madagascar.