gemstone
Aquamarine
Beryl (Be3Al2Si6O18)
AI-generated identification · may be incorrectHardness: 7.5-8.0 on Mohs scale; Color: Pale blue to light green; Luster: Vitreous; Crystal Structure: Hexagonal; Cleavage: Imperfect; Specific Gravity: 2.66-2.80.
- Hardness
- 7
- Color
- Pale blue to light green
- Luster
- Vitreous
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Physical properties
Hardness: 7.5-8.0 on Mohs scale; Color: Pale blue to light green; Luster: Vitreous; Crystal Structure: Hexagonal; Cleavage: Imperfect; Specific Gravity: 2.66-2.80.
Formation & geological history
Formed in pegmatites, often found in granitic rock environments. It is formed through hydrothermal activity or metamorphic processes where beryllium is concentrated.
Uses & applications
Primarily used as a gemstone in high-end jewelry and for mineral specimen collecting due to its clarity and color.
Geological facts
Aquamarine is the birthstone for March. Its name is derived from the Latin phrase 'aqua marina', meaning 'seawater', due to its characteristic color. Large crystals can grow up to several feet long.
Field identification & locations
Identify by its hexagonal prismatic crystal habit and pale blue color. Commonly found in Brazil, Pakistan, and Madagascar. High hardness helps distinguish it from glass or softer blue minerals.
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