Commodity Code

vermiculite

http://resource.geosciml.org/classifier/cgi/commodity-code/vermiculite

definition Vermiculite is an important member of the Montmorillonite/Smectite Group, members of which also belong to the larger general group known as the Clays. Vermiculite is also sometimes placed in the Mica Group, although recent analysis has excluded it from this group. more like this
notation
01.02.44 more like this
Vrm more like this
source http://www.galleries.com/Vermiculite more like this
type
Resource
Concept
broader industrial mineral
narrower vermiculite
in scheme commodity code
is primary topic of vermiculite