51.20Ct Genuine Burmese Jadeite Jade (Type A) Green Donut Pendant

Item Information

Dimensions (mm) 29.7 x 29.7 x 5.2mm
Weight (carats) 51.2 carats
  • Gemstone Name: Natural Jadeite Jade
  • Quantity: 1 Piece(s)
  • Origin: Myanmar (Burmese)
  • Treatment: None (Type A) Without coloring and acid
  • Stock Code: R6128
  • Remark (if any): -

What are the different types of Jadeite you can find in the market? The Jadeite showing up on market presently can be classified into A jade, B jade ,C jade and B+C jade.

Type “A” Jade (Natural Jadeite) Refers to natural jadeite which is not subject to any form of chemical treatment except those traditional processes such as plum juice washing and wax polishing. These procedures are internationally recognized as standard practice and are not defined as “treatment” because the structure of the jadeite has not been damaged. “B” Jade (Chemically bleached and polymer impregnated Jadeite) Refers to jadeite which has been chemically bleached to remove the impurities. It is further rinsed with caustic soda and followed by impregnation of polymer to enhance its translucency. The structure of jadeite is damaged through this treatment and it will lose its lustre once the polymer deteriorates with the lapse of time. In addition, “B” jade cannot withstand heat and pressure. “C” Jade (Dyed coloured Jadeite) “B+C” Jade (Dye coloured and polymer impregnated Jadeite) Refers to “B” Jade which has been dyed to enhance its translucency and brightness during the polymer impregnation process.

$99.00 USD

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Pricing & Details

Auction ID 681783
Watchers 4 watching
Viewed 2,578 times
Starts 20th Jul 2017 3:46am PDT

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