gemstone
Aquamarine
Beryl (Be3Al2Si6O18)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, light blue to bluish-green color, vitreous luster, and a hexagonal crystal system.
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, light blue to bluish-green color, vitreous luster, and a hexagonal crystal system.
Formation & geological history
Forms in pegmatites and hydrothermal veins, often crystallizing slowly from cooling magma rich in beryllium.
Uses & applications
Widely used as a precious gemstone in jewelry, particularly in rings, necklaces, and earrings.
Geological facts
Aquamarine is the blue variety of the mineral beryl and gets its color from trace amounts of iron.
Field identification & locations
Identified by its distinctive blue-green color, hexagonal habit, and high hardness. Found in Brazil, Madagascar, and Pakistan.
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