English: Beril.
Synonym:
AquamarineName: from Latin, meaning sea water.
Chemical: Be3Al2Si6O18, also containing Fe2+;inclusions few, mica, hematite, salt-water.
MineralogyAquamarine is a pale-blue to light-green variety of beryl. The color of aquamarine can be changed by heat.
Hardness: 7.5 to 8.