Commodity Code
sapphire
http://resource.geosciml.org/classifier/cgi/commodity-code/sapphire
| definition | Sapphire is a blue gemstone variety of the mineral corundum. |  |
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| source | http://en.wikipedia.org/wiki/Sapphire | |
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| in scheme | commodity code | |||||
| is primary topic of | sapphire | |||||