bn:00073391n
Noun Concept
Categories: Transparent materials, Spinel gemstones, Minerals in space group 227, Aluminium minerals, Magnesium minerals
EN
spinel  Balas-ruby  magnesium aluminate  magnesium aluminate spinel  Magnesium aluminium oxide
EN
A hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones WordNet 3.0
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EN
A hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones WordNet 3.0 & Open English WordNet
Spinel is the magnesium/aluminium member of the larger spinel group of minerals. Wikipedia
Oxide mineral Wikidata
Any of several hard minerals of cubic symmetry that are mixed oxides of magnesium and aluminium and are used as gemstones of various colours. Wiktionary
Any of several hard minerals of cubic symmetry that are mixed oxides of magnesium and aluminium. Wiktionary (translation)