ENHANCEMENT CODE
SYN
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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
|
Emerald crystal
growth.
Image Courtesy Chatham®.
Crystal Structure
Crystal system: Hexagonal (trigonal), hexagonal prisms, columnar. |
Birthstones |