Aquamarine
Aquamarine is a pale blue to greenish blue variety of beryl. It is named after the color of seawater.

Category: Beryl
Hardness: 7.5
Specific Gravity: 2.68
Luster: vitreous
Transparency: transparent
Crystal System: hexagonal
Cleavage: poor
Fracture: conchoidal to uneven
Composition: Be₃Al₂Si₆O₁₈
Typical Size: often large crystals
Found In:
Albania

Uses:
- jewelry
- collecting
Believed to calm the mind and reduce stress.