Rock Identifier
Aquamarine (Beryl (Be3Al2Si6O18)) — gemstone
gemstone

Aquamarine

Beryl (Be3Al2Si6O18)

AI-generated identification · may be incorrect

Hardness of 7.5 to 8 on the Mohs scale, pale blue to deep blue-green color, vitreous luster, and hexagonal crystal system.

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Physical properties

Hardness of 7.5 to 8 on the Mohs scale, pale blue to deep blue-green color, vitreous luster, and hexagonal crystal system.

Formation & geological history

Forms primarily in pegmatites and hydrothermal veins as cooling magma releases beryllium-rich fluids.

Uses & applications

Widely used in fine jewelry such as rings, necklaces, and collector displays.

Geological facts

Aquamarine is the blue variety of beryl and shares its mineral family with emerald and morganite.

Field identification & locations

Identified by its distinctive hexagonal crystal habit, pale blue hue, and high hardness; commonly sourced from Brazil, Madagascar, and Pakistan.