mineral

Amazonite

Microcline (KAlSi3O8) with trace lead (Pb)

AI-generated identification · may be incorrect

Hardness: 6-6.5 Mohs; Color: green to bluish-green; Luster: vitreous to pearly; Crystal Structure: triclinic; Cleavage: perfect in two directions

Hardness: 6-6
Color: green to bluish-green
Luster: vitreous to pearly

Identified July 14, 2026More mineral →

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Physical properties

Hardness: 6-6.5 Mohs; Color: green to bluish-green; Luster: vitreous to pearly; Crystal Structure: triclinic; Cleavage: perfect in two directions

Formation & geological history

Forms primarily in granitic pegmatites and metamorphic rocks through hydrothermal processes, often found with smoky quartz or mica.

Uses & applications

Mainly used as a semi-precious gemstone for jewelry, cabochons, beads, and metaphysical specimens.

Geological facts

Named after the Amazon River, though it was later discovered not to occur there naturally; its green color is likely due to lead and water molecules in the potassium feldspar lattice.

Field identification & locations

Check for its characteristic turquoise color and parallel white streaks (perthitic texture). Common locations include Russia, Brazil, Ethiopia, and Colorado, USA.