
mineral
Amazonite
Microcline feldspar, KAlSi3O8
AI-generated identification · may be incorrectHardness 6 on Mohs scale. Displays bright turquoise-green to blue-green color with characteristic white grid-like or mottled striations. Vitreous to pearly luster with triclinic crystal structure.
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Physical properties
Hardness 6 on Mohs scale. Displays bright turquoise-green to blue-green color with characteristic white grid-like or mottled striations. Vitreous to pearly luster with triclinic crystal structure.
Formation & geological history
Forms in pegmatites and granitic rocks through hydrothermal processes and slow cooling of magma rich in potassium and lead.
Uses & applications
Used primarily as a semi-precious gemstone in cabochons, beads, and ornamental carvings.
Geological facts
Its distinct green color was historically attributed to copper, but is now known to be caused by trace amounts of lead and water.
Field identification & locations
Identify by its unique blue-green color and typical grid-like twinning patterns. Found globally in the US, Russia, Brazil, and Madagascar.