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bn:00022921n
Noun Concept
Categories: Industrial minerals, Articles with short description, Corundum varieties, Oxide minerals, Luminescent minerals
EN
corundom  corundum  Artificial corundum  corinvindum  Corrundum
EN
Very hard mineral used as an abrasive WordNet 3.0
Definitions
Relations
Sources
EN
Very hard mineral used as an abrasive WordNet 3.0 & Open English WordNet
Corundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium, and chromium. Wikipedia
Oxide mineral Wikidata
An extremely hard mineral, a form of aluminum oxide with the chemical formula Al2O3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive. Wiktionary
Mineral. Wiktionary (translation)
IS A
mineral
mineral species
hematite mineral group
HAS PART
alumina
PART OF
emery
HAS KIND
alumina
ruby
sapphire
ruby
adamantine spar
+5 relations
CRYSTAL SYSTEM
trigonal crystal system
DESCRIBED BY SOURCE
Brockhaus and Efron Encyclopedic Dictionary
Armenian Soviet Encyclopedia
Explanatory Dictionary of the Living Great Russian Language
DIFFERENT FROM
silicon carbide
NAMED AFTER
ruby
STREAK COLOR
white
WordNet 3.0 & Open English WordNet
EN
corundom, corundum
Wikipedia
EN
corundum
Wikidata
EN
corundum
Wiktionary
EN
corundum
Wikipedia Redirections
EN
Artificial corundum, Corrundum, corundum structure, synthetic corundum, Tranparent alumina, Α-Al2O3
Wikidata Alias
EN
corinvindum

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