mineral
Amazonite
Microcline feldspar (KAlSi3O8)
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, distinct turquoise-green to blue-green color, vitreous to pearly luster, and monoclinic crystal system.
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Physical properties
Hardness of 6 on the Mohs scale, distinct turquoise-green to blue-green color, vitreous to pearly luster, and monoclinic crystal system.
Formation & geological history
Forms primarily in pegmatites and granitic rocks through hydrothermal processes, often associated with cooling magma.
Uses & applications
Widely used in ornamental carvings, polished tumbled stones, and gemstone jewelry.
Geological facts
Its vibrant green-blue color is caused by trace amounts of lead and water within the potassium feldspar structure.
Field identification & locations
Easily identified by its characteristic grid-like twinning and distinct turquoise coloration; commonly found in Russia, the USA, and Brazil.
