Vermiculite

Product Description

 Name: Vermiculite
Molecular Formula: (MgFe,Al)3(Al,Si)4O10(OH)24H2O
Vermiculite is a natural mineral that expands with the application of heat. The expansion process is called exfoliation and it is routinely accomplished in purpose-designed commercial furnaces. Vermiculite is formed by hydration of certain basaltic minerals. Large commercial vermiculite mines currently exist in South Africa, China, Brazil and several other countries.
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