Commodity Code

cordierite

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

alt label
iolite more like this
definition Cordierite is not a well known or popular mineral for mineral collectors. However, its gemstone variety is well known and is rather popular among gemstone collectors and fanciers. more like this
notation
01.03.06 more like this
Cord more like this
source http://www.galleries.com/Cordierite more like this
type
Resource
Concept
broader gemstones
narrower iolite
in scheme commodity code
is primary topic of iolite