mineral

Amazonite

Microcline (KAlSi3O8) with trace lead

Hardness: 6-6.5 (Mohs), Color: sea-foam green to turquoise blue with white streaks, Luster: vitreous to pearly, Crystal structure: triclinic, Cleavage: perfect in two directions

Hardness: 6-6

Identified June 19, 2026More mineral →

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Physical properties

Hardness: 6-6.5 (Mohs), Color: sea-foam green to turquoise blue with white streaks, Luster: vitreous to pearly, Crystal structure: triclinic, Cleavage: perfect in two directions

Formation & geological history

Formed in plutonic rocks such as pegmatites and granites through hydrothermal activity or slow cooling of magma. Its distinctive color is often attributed to trace amounts of lead and water within the feldspar lattice.

Uses & applications

Primarily used as a gemstone for jewelry (cabochons, beads), ornamental carvings, and as a popular specimen for mineral collectors due to its vibrant color.

Geological facts

Named after the Amazon River, though it is not actually found there. It is often called 'the Hope Stone' in metaphysical circles. The Pikes Peak area in Colorado is world-famous for producing amazonite with smoky quartz crystals.

Field identification & locations

Identified by its unique blue-green color and 'perthitic' texture (fine white streaks). Look for it in granitic pegmatite veins. Common locations include Brazil, Russia, Madagascar, and the United States (Colorado and Virginia).