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Coral

Coral, pink color.
Information * Loose gemstones * Jewelry links

Coral is the gemstone representing the 35th wedding anniversary. It is thought to protect against magic spells, to cure madness, and to give wisdom. In many countries, coral is given to children as a gift for their protection. Ancient Romans believed a dog collar made of coral would prevent rabies; and if coral was worn by their children it would protect them from danger. It was also believed that red coral changed color according to the wearer's health, white at the onset of illness, and yellow with black dots as death approached.
 

ENHANCEMENT CODE N
Click to view AGTA code.

PROPERTIES
Refractive Index 1.560-1.570
Hardness = 3 (Moh's Scale)
Specific Gravity = 1.35
Species - Calcareous
Optic Character - aggregate
Phenomena - Surface sheen


REACTIONS/WARNINGS
Ultrasonic: Risky
Steamer: Risky
Heat: Very poor
Chemicals that harm: Easily attacked by many.

 

Crystal Structure
pink coral growth image.
Crystal system: Hexagonal micro crystalline.

MAJOR SOURCES
US (Hawaii), Australia
Birthstones
 January  Garnet
February Amethyst
March Aquamarine
April Diamond
May Emerald
June Pearl/Alexandrite
July Ruby
August Peridot
September Sapphire
October Opal/Tourmaline
November Topaz or Citrine
December Blue Topaz or Zircon
Cabochon is the popular cut used in jewelry for coral.
Cabochons are smooth polished surfaces not faceted.

Common Cut Examples.
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