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

Aquamarine

Beryl (Be3Al2Si6O18)

AI-generated identification · may be incorrect

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

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Physical properties

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

Formation & geological history

Formed in pegmatites and metamorphic rocks through hydrothermal processes involving beryllium-rich fluids.

Uses & applications

Widely used as a precious gemstone in fine jewelry and collected by mineral enthusiasts.

Geological facts

Aquamarine is the blue variety of beryl and derives its name from the Latin word for seawater.

Field identification & locations

Identified by its distinct pale blue-green hue and high hardness; commonly sourced from Brazil, Pakistan, and Madagascar.