Commodity Code

tourmaline

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

star this property definition Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. more like this
star this property notation
01.03.36 more like this
To more like this
star this property source http://en.wikipedia.org/wiki/Tourmaline more like this
star this property type
Resource
Concept
star this property broader gemstones
star this property narrower tourmaline
star this property in scheme commodity code
unstar this property is primary topic of tourmaline& properties=isPrimaryTopicOf