Wordnet Synset 15101186-n
http://lila-erc.eu/data/lexicalResources/LatinWordNet/id/LexicalConcept/15101186-n an entity of type: LexicalConcept
a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
Wordnet Synset 15101186-n