mineral
Amazonite
Microcline feldspar (KAlSi3O8)
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, distinct green to blue-green color, vitreous luster, and two planes of good cleavage.
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Physical properties
Hardness of 6 on the Mohs scale, distinct green to blue-green color, vitreous luster, and two planes of good cleavage.
Formation & geological history
Forms in pegmatites and granitic rocks through hydrothermal processes as potassium feldspar cools slowly underground.
Uses & applications
Widely used in beaded jewelry, ornamental carvings, and metaphysical collection.
Geological facts
Its vibrant blue-green color was historically attributed to copper, but modern studies show it results from trace amounts of lead and water.
Field identification & locations
Identified by its characteristic grid-like twinning and mottled turquoise-green appearance; commonly sourced from Brazil, Russia, and the United States.
