mineral
Amazonite
Microcline feldspar (KAlSi3O8)
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, vibrant turquoise-green color, vitreous luster, and triclinic crystal system with good cleavage.
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Physical properties
Hardness of 6 on the Mohs scale, vibrant turquoise-green color, vitreous luster, and triclinic crystal system with good cleavage.
Formation & geological history
Forms in pegmatites and granitic rocks through slow cooling of magma rich in potassium and water, often incorporating trace lead.
Uses & applications
Primarily used as a gemstone in jewelry, for decorative carvings, and as a popular specimen for mineral collectors.
Geological facts
Its distinct blue-green color was historically attributed to copper, but modern science shows it results from trapped lead and water molecules.
Field identification & locations
Identified by its signature grid-like twinning and bright green-blue shade; found in Russia, Brazil, Colorado, and Madagascar.
