Commodity Code

euclase

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

definition Euclase is not a well known gemstone, but is more well known by mineral collectors. It forms well formed crystals that occasionally have enough clarity to be cut as gems. more like this
notation
01.03.12 more like this
Eucl more like this
source http://www.galleries.com/Euclase more like this
type
Resource
Concept
broader gemstones
narrower euclase
in scheme commodity code
is primary topic of euclase