mineral

Amazonite

Amazonite (KAlSi3O8)

Hardness: 6 to 6.5 (Mohs scale); Color: Green, bluish-green, or turquoise; Luster: Vitreous; Crystal Structure: Triclinic; Cleavage: Perfect in two directions; Specific Gravity: 2.56-2.58

Hardness: 6 to 6
Color: Green, bluish-green, or turquoise
Luster: Vitreous

Identified May 10, 2026More mineral →

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Physical properties

Hardness: 6 to 6.5 (Mohs scale); Color: Green, bluish-green, or turquoise; Luster: Vitreous; Crystal Structure: Triclinic; Cleavage: Perfect in two directions; Specific Gravity: 2.56-2.58

Formation & geological history

Formed in plutonic rocks, primarily pegmatites, as potassium feldspar cools and incorporates small amounts of lead which creates the distinct color. It is typically found in igneous environments alongside quartz and mica.

Uses & applications

Mostly used as a gemstone for jewelry, cabochons, and decorative carvings. It is high-valued by collectors for its vibrant color and is used in metaphysical practices as a 'soothing stone'.

Geological facts

Amazonite is named after the Amazon River, though it is not actually found there; it was likely confused with other green minerals in that region. Its distinct color is attributed to the presence of lead and water within the feldspar structure.

Field identification & locations

Identify by its unique 'schiller' or grid-like white patterns (perthitic texture) and its vibrant turquoise-green color. It is commonly found in the Ilmensky Mountains (Russia), Colorado (USA), and Madagascar.