mineral

Aquamarine

Beryl (Be₃Al₂Si‑₆O₁‑₈)

AI-generated identification · may be incorrect

Hardness: 7.5-8 on Mohs scale; Color: Blue-green to pale blue; Luster: Vitreous; Crystal Structure: Hexagonal (prismatic); Cleavage: Imperfect; Specific Gravity: 2.66-2.80

Hardness: 7
Color: Blue-green to pale blue
Luster: Vitreous

Identified July 7, 2026More mineral →

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Physical properties

Hardness: 7.5-8 on Mohs scale; Color: Blue-green to pale blue; Luster: Vitreous; Crystal Structure: Hexagonal (prismatic); Cleavage: Imperfect; Specific Gravity: 2.66-2.80

Formation & geological history

Formed in granitic pegmatites or hydrothermal veins where beryllium is present. Often associated with quartz, feldspar, and muscovite. Geological ages vary greatly depending on the deposit location

Uses & applications

Primarily used as a gemstone in jewelry due to its transparency and color. Highly valued by mineral collectors for its crystal habit

Geological facts

The name comes from the Latin 'aqua marina', meaning 'water of the sea'. It is the birthstone for March and is famous for its large, high-clarity crystals found in Brazil

Field identification & locations

Identify by its hexagonal prismatic shape, hardness (scratching quartz but being scratched by topaz), and blue-green hue. Commonly found in Brazil, Pakistan, and Madagascar