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Jade - Nephrite Gemstone Information
Information * Loose gemstones * Jewelry links
Jade is the gemstone representing the 12th wedding anniversary. Nephrite Jade is derived from the Latin word lapis nephriticus, meaning "stone of the kidney". Jade was considered a prized gem in both Chinese and Central American cultures.
In the 16th century, the Chinese believed that ingesting jade powder would prolong life and strengthen the lungs, heart, and vocal chords. It has also been told that handling jade can help one relax by absorbing some of its secret virtue into the body.

 

ENHANCEMENT CODE N

Click to view AGTA code.

PROPERTIES
Refractive Index 1.606-1.632
Hardness = 6-6.5 (Moh's Scale)
Specific Gravity =2.95
Species - Nephrite
Optic Character - Aggregate
Phenomena - None


WARNINGS FOR CARE
Ultrasonic: Safe
Steamer: Safe
Heat: Poor; no repairs near stone
Chemicals that harm: Warm acids

 

Crystal Structure

Jade crystal matrix image.
Crystal system: Monoclinic, fine fibrous aggregate.

MAJOR SOURCES
Taiwan, Canada, Australia, New Zealand, China, US, USSR
 
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 jade.
Cabochons are smooth polished surfaces not faceted.

Marquise cabochon jade image.
Marquise cut
 
Round cabochon jade image.
Round cut
Oval cabochon jade image.
Oval shape
Pear shape cabochon jade image.
Pear shape
 
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