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This is a list of some of the terms and abbreviations used.
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J-hoop
An earring design where the hoop is not totally circular, but elongated in a manner similar to the letter "j".
Jade
Jade can come in a variety of colors and is seen in jewelry as well as decorative carving. There are two types of jade, one is called jadeite and the other called nephrite. Both forms of jade are known for their exceptional toughness.
Jet
A black gemstone which is a form of lignite coal.
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