filter:

corundum-gemstone

ID: skos/Commodity/MIN4EU/corundumGemstone

Item class: Concept

Label (en): corundum-gemstone

Label (hu):

Definition (en): Corundum is the third hardest natural mineral known to science. The hardest mineral, diamond is still four times harder than corundum - http://www.galleries.com/Corundum

Definition (hu):

Concept scheme: Commodity

Broader concept: MIN4EU list of commodities