Commodity Code
feldspar-gemstone
http://resource.geosciml.org/classifier/cgi/commodity-code/feldspar-gemstone
| definition | The feldspars are a group of minerals that have similar characteristics due to a similar structure. |  |
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| narrower |
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| notation |
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| source | http://www.galleries.com/Feldspar_Group | |
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| type |
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| broader |
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| in scheme | commodity code | ||||||||||
| is primary topic of | feldspar gemstone | ||||||||||