Commodity Code
magnesite
http://resource.geosciml.org/classifier/cgi/commodity-code/magnesite
| definition | Magnesite does not ordinarily form good crystals, but can make up a substantial portion of some rock types. It forms commonly from the alteration of magnesium-rich rocks during low grade metamorphism while they are in contact with carbonate-rich solutions. |  |
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| source | http://www.galleries.com/Magnesite | |
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| in scheme | commodity code | |||||
| is primary topic of | magnesite | |||||