ENHANCEMENT CODE E
Click to view AGTA
code.
PROPERTIES
Refractive Index 1.577-1.583
Hardness = 7.5-8
(Moh's Scale)
Specific Gravity =2.72
Species - Beryl
Optic Character -
Double Refraction.
Phenomena - Chatoyancy, Asterism (Rare)
WARNINGS FOR CARE
Ultrasonic: Risky.
Steamer: Never.
Heat: Very poor; should never be heated.
Chemicals that harm:
Hydrofluoric acid can damage.
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Crystal Structure

Crystal system: Hexagonal (trigonal), hexagonal prisms, columnar.
MAJOR SOURCES
Columbia, Zambia, Brazil, Pakistan, Zimbabwe |
Birthstones |