Jisho

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Noun
1. titanite; sphene
Wikipedia definition
2. TitaniteTitanite, or sphene (from the Greek sphenos, meaning wedge), is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are typically present. Also commonly present are rare earth metals including cerium and yttrium; calcium may be partly replaced by thorium.
Read “Titanite” on English Wikipedia
Read “チタン石” on Japanese Wikipedia
Read “Titanite” on DBpedia

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