Commodity Code
chrysoberyl
http://resource.geosciml.org/classifier/cgi/commodity-code/chrysoberyl
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definition | Chrysoberyl is a poorly known mineral in the gem world even though the gem varieties are popular.There are three main gem varieties |  |
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notation |
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source | http://www.galleries.com/Chrysoberyl | |
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type |
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broader |
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in scheme | commodity code | |||||
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is primary topic of | chrysoberyl& properties=notation | |||||