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Question: What is the difference between Jadeite and Nephrite Jade?
Anwser: The left one is Jadeite Jade and the right one is Nephrite Jade.
Jade FAQ : What are type A, type B, Type C, Type B +C and Type D Jadeite?
Answer (from Wikipedia)
Answer: 8 Colors
Jade FAQ :: Where can you buy cheap and good Jadeite Jade?
Answer: Most of these towns are in Mainland China.
Guangzhou Hualin Jade Market (广州华林）
Sihui Jade Market （广东四會）
Pingzhou Jade Market（广东平洲）
Jieyang Jade Market （广东揭阳）
Yunnam Ruili Jade Market（雲南瑞丽）
I have not been to Ruili so I can't comment on it. It is a town bordering Myanmar -the source of Jadeite. Jieyang is noted for its workmenship. You have to pay a high premium there.
Pingzhou is wellknown for its Jade Bangles for the wholesellers.
Sihui has a morning market that starts from 3am till 9 am. The quality is not that good; therefore the price is very cheap! A lot of Type B, C and B+C there.
Guangzhou Hualin is the most assessible place to buy if you are a tourist. There are more than a thousand stalls selling excellent to average pieces. Most stalls only accept cash; no credit cards allowed. The price is slightly higher compared with other places. Need to bargain hard. There is a street nearby known as rubbish street selling all kinds of inferior quality jadeite.
Jade FAQ : How to tell whether the Jadeite Jade has been treated?
It is not an easy task. Ask for a certificate if the price you paid for the jadeite is high - it won't cost you more than US$3 for a certification by the authority.
The luster of Type B jadeite is different from that of Type A. Looking under an ultraviolet light (the one you use to check currency notes), Type B jadeite will show blue color. Using a 10X loupe you can also see the acid netting and cracks on the surface.
The color of Type C jadeite is very unnatural. And the colors always concentrate along the cracklines.
Using spectroscope to determine Type A, Type B and B+C jadeite.
Green type A jadeite will always exhibits an unusual pattern in the red/orange portion of the spectrum. You will see a triplet -three bars with each bar stronger than the one adjacent to it. The stongest bar will be at about 685; the next bar is weaker and appears at about 660; the third bar is the the weakest and appears at about 630.
Top : Using spectroscope to determine Type C jadeite (Dyed )
Below: Using spectroscope to determine Type B + C jadeite
Jade FAQ : What are the varieties of jadeite sold in the market?
From left to right: 粉底 Powder
Glass Jade Ice Jade Oil Jade
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