3jade web store FAQ section

If they cannot guarantee it is Type A Jade in writing, most likely they are not Type A Jade, no matter what they say. If the seller can guarantee they are selling 100% real burmese jade in writing, they again are most likely not selling Type A Burmese Jade. Treated jade is still 100% real burmese jade. It is just not Type A Burmese jade. This classification(Type A , Type B, Type C) is an international classification and is used by the jade industry. Some sellers even produce certificates indicating the jade is 100% real burmese jade with 100% natural color. Again, read between the lines. Type B (See Classification of Jade) jade is treated to remove unwanted substances from its internal structure in order to make it more translucent. It is still 100% real burmese jade with 100% natural color. It is just not Type A Burmese jade. Sometimes the color uniformity of Type B and C jades are too even. Again, that is not always the case. Be sure to buy from a reliable source for Jade. Treated Jade is okay if you want one for purely ornamental purposes and structural integrity is not of primary concern. They deteriorate as time passes, so their resale value is quite low.

Imperial jade refers to Imperial Green jadeite found in Burma. Only jadeite with elements of Chromium (Cr++) are considered imperial green jade. They are a deep green in color and very valuable. A paler green is due to the presence of iron (Fe). Those pieces are not considered imperial green jade. They can still be quite valuable, although not as valuable as Imperial green Jade.

May be or may be not. Usually they will say that they are selling "Real Jade" or "Real Jade with Natural Color". They may be selling Type A jade or may be not. Treated jade (Type B jade) is still 100% real jade with 100% natural color. It is just not Type A jade because it has been artificial treated.

Sorry if I cannot reply your email as soon as possible. I do not expect this site to be so popular and I get a lot of emails everyday. I have a full time job so I cannot spend too much time on-line each day, and can only reply some emails each time. I will try to reply and cleanup my mailbox as soon as possible.