experimental

Entry: corundum-gemstone

URI: http://inspire.ec.europa.eu/codelist/CommodityCodeValue/corundumGemstone

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

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is a Concept
submitted bySophie Chaduteau
accepted on 16 Jul 2026 11:52:52.032

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date accepted 16 Jul 2026 11:52:52.032
date submitted 16 Jul 2026 09:08:46.416
definition
entity corundum-gemstone
source graph graph

item class Concept
label corundum-gemstone
notation fc48dd38-1588-4390-af7c-2a8556d80aee
register commodity code value
status status experimental
submitter
account name s.chaduteau@brgm.fr
name Sophie Chaduteau

type register item
version info 2
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Definition

broader gemstone
definition 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
in scheme Commodity Code Value
narrower sapphire | ruby
notation corundumGemstone
pref label corundum-gemstone
type Concept

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Has narrower concept