Rock Identifier
Aquamarine (Beryllium Aluminum Silicate, Be3Al2(SiO3)6) — gemstone
gemstone

Aquamarine

Beryllium Aluminum Silicate, Be3Al2(SiO3)6

AI-generated identification · may be incorrect

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

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Physical properties

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

Formation & geological history

Formed in pegmatites and hydrothermal veins, often crystallizing within cavities and fractures in granitic rocks.

Uses & applications

Primarily 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 distinctive light blue or cyan color, hexagonal habit, and high hardness; commonly sourced from Brazil, Pakistan, and Madagascar.