Amazonite

Physical Properties

Hardness: 6.0-6.5 Mohs. Color: Turquoise-green to blue-green, often with white streaks. Luster: Vitreous to pearly. Crystal Structure: Triclinic. Cleavage: Perfect in two directions. Specific Gravity: 2.56-2.58.

Formation & Geological History

Forms in plutonic igneous rocks, specifically granitic pegmatites. The blue-green color is attributed to the presence of small amounts of lead and water within the feldspar lattice.

Uses & Applications

Used primarily as a gemstone for jewelry (cabochons, beads), decorative carvings, and as a popular specimen for mineral collectors.

Geological Facts

Formerly known as 'Amazon Stone,' it was named after the Amazon River, though it is not actually found there. It is a variety of the mineral microcline.

Field Identification & Locations

Identify by its distinctive 'schiller' or grid-like white pattern against a teal background. Found in Russia, Brazil, Ethiopia, and famously at Pikes Peak in Colorado, USA.

Identified on: 4/13/2026

Mode: Standard