Jade

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Jade Classification
Common Name Jade
Species Jade

Jade Colors

  • Green Jade Green

Alternate Names

Lavender Jadeite, New Blue Jade

Countries of Origin

Canada; Myanmar; United States of America (the); Korea (the Republic of); Unknown; China; Russian Federation (the); Brazil; Mexico; Thailand; India

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Showcasing 200 gemstones in over 1,000 pages and accompanied by more than 2,000 photos, The Sisk Gemology Reference is a must-have in every collector’s library. Each comprehensive, three-volume set features state-of-the-art photography, detailed illustrations, and scientifically precise descriptions to create an entrancing experience for gemstone amateurs and afficionados alike.

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Enhancement

Bleached And Impregnated

Jade is often impregnated with wax to disguise fractures and improve its polish appearance. On other occasions, it may be dyed or heated to produce or improve color.

Bleached And Impregnated Jade
Bleached And Impregnated Classification
Common Name Bleached And Impregnated
Bleached And Impregnated Optical Properties
Refractive Index 1.666-1.68
Tolerance:(+0.008/-0.008)
Fluorescence SWUV: Variable
LWUV: Variable
Bleached And Impregnated Characteristic Physical properties
Specific Gravity 3.25
Inclusions Type B jadeite has been bleached in acid to remove staining and then it has been impregnated with wax or polymers. It will show etch boundaries between the individual crystal grains.Advanced lab testing is usually required to detect polymer impregnation.
Stability Good
Tim Matthews

Author

Tim Matthews

Tim Matthews is President and Chief Executive Officer of Jewelry Television® (JTV), as well as a member of the company's Board of Directors. He oversees and leads all aspects of the company's powerful omni-digital retail platform that uniquely specializes in fine jewelry and gemstones. His passion for business and gemstones has led him to become a recognized expert in the field of gemology. He is a life member of the Gemmological Association of Great Britain (Gem-A) and has earned Gem-A's highest degrees, the Gemmology (FGA) and Diamond (DGA) diplomas. He is also a Graduate Gemologist (GG) of the Gemological Institute of America (GIA) and has also completed GIA's Graduate Diplomas in Diamonds, Colored Stones and Pearls. Under his leadership, JTV has become the leader in the sourcing and selling of color gemstones and jewelry.

This page was created on June 27, 2014.

This page was last edited on October 24, 2019.