Source: Brazil, Pakistan, U.S.A, Uruguay and Zambia
Mineral: Beryl
Hardness: 7.5-8
Colour: Greenish blue
Clarity: The best quality are eye-clean, transparent gems. Some carry inclusions of long, hollow rods which is a trademark of Beryl.
Treatments: They can be heat treated to remove some of the green colour and leave an all blue Aquamarine.
Care and Cleaning: Cleaning by ultrasonic and steam is mostly safe unless they include fractures.
Birthstone: March
Stone Properties: Hope, health and fidelity.