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 greenish-blue color, vitreous luster, hexagonal crystal system, and poor cleavage.

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Physical properties

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

Formation & geological history

Forms within pegmatites and metamorphic rock cavities through hydrothermal processes involving beryllium-rich fluids.

Uses & applications

Primarily used as a high-end gemstone in fine jewelry, rings, necklaces, and earrings.

Geological facts

Aquamarine is the March birthstone and derives its name from the Latin words for water and sea.

Field identification & locations

Identified by its distinct hexagonal prisms and pale blue hue; found globally including in Brazil, Pakistan, and Russia.