Rock Identifier
Amazonite (Microcline feldspar (KAlSi3O8)) — mineral
mineral

Amazonite

Microcline feldspar (KAlSi3O8)

AI-generated identification · may be incorrect

Hardness 6 on Mohs scale, pale blue-green color, vitreous to pearly luster, triclinic crystal system, good cleavage.

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Physical properties

Hardness 6 on Mohs scale, pale blue-green color, vitreous to pearly luster, triclinic crystal system, good cleavage.

Formation & geological history

Forms in pegmatites and granitic rocks through hydrothermal processes and slow cooling of magma over millions of years.

Uses & applications

Used in ornamental carvings, gemstone jewelry, and as a collector's mineral specimen.

Geological facts

Its distinct blue-green color is caused by trace amounts of lead and water within the potassium feldspar structure.

Field identification & locations

Identified by its characteristic grid-like twinning and vibrant green-blue hue; found commonly in Russia, Colorado, and Brazil.