gemstone
Aquamarine
Beryl (Be3Al2Si6O18)
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, pale blue to light greenish-blue color, vitreous luster, hexagonal crystal system, and indistinct cleavage.
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Physical properties
Hardness of 7.5 to 8 on the Mohs scale, pale blue to light greenish-blue color, vitreous luster, hexagonal crystal system, and indistinct cleavage.
Formation & geological history
Formed in pegmatites and hydrothermal veins, typically crystallizing from cooling magma rich in beryllium, water, and volatile elements.
Uses & applications
Widely used as a precious gemstone in fine jewelry, rings, and earrings.
Geological facts
Aquamarine is the blue variety of beryl and gets its name from the Latin word for seawater. The largest gem-quality aquamarine was found in Brazil in 1910.
Field identification & locations
Identified by its distinctive light blue color, high hardness, and hexagonal prismatic crystal habit. Commonly sourced from Brazil, Madagascar, and Russia.
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