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Amethyst is the birthstone for the month of February and
the gemstone for the 4th and 6th wedding anniversary. It
is derived from a Greek word meaning "not to intoxicate",
which led to the belief that drinking wine from an
amethyst cup would prevent drunkenness. Amethyst was
thought to protect soldiers, ensure victory, aid hunters,
protect against diseases, control evil thoughts, and
quicken ones intelligence. It is considered to be a
surface cure for headaches and toothaches; and is also
used to increase spirituality.
ENHANCEMENT CODE E
Click to view AGTA
Refractive Index 1.544-1.553
Hardness = 7 (Moh's Scale)
Specific Gravity = 2.66
Species - Quartz.
Optic Character -
Phenomena - None.
WARNINGS FOR CARE
Ultrasonic: Usually safe.
Heat: Poor; color change may occur with heat.
Chemicals that harm: Hydrofluoric acid, ammonium
Crystal system: Hexagonal (trigonal), compact.
Africa, South America