Rock Identifier
Aquamarine (Beryl) (Beryllium Aluminum Silicate - Be3Al2Si6O18) — gemstone
gemstone

Aquamarine (Beryl)

Beryllium Aluminum Silicate - Be3Al2Si6O18

Hardness of 7.5-8.0 on the Mohs scale. Light sea-green to pale blue color, vitreous luster, hexagonal crystal system, imperfect cleavage, specific gravity around 2.68-2.74.

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Physical properties

Hardness of 7.5-8.0 on the Mohs scale. Light sea-green to pale blue color, vitreous luster, hexagonal crystal system, imperfect cleavage, specific gravity around 2.68-2.74.

Formation & geological history

Forms in pegmatites and metamorphic rocks through hydrothermal and magmatic processes rich in beryllium.

Uses & applications

Primarily used as a popular gemstone in jewelry (rings, necklaces, earrings) and as a collector's mineral specimen.

Geological facts

The name aquamarine comes from the Latin words 'aqua' (water) and 'marina' (sea). It is the official birthstone for the month of March.

Field identification & locations

Look for its characteristic hexagonal prism shape, vitreous luster, pale blue-green color, and high hardness that scratches glass easily. Commonly found in Brazil, Madagascar, Pakistan, and Russia.