titanite

/ˈtaɪtəˌnaɪt/
noun
  1. A mineral composed of calcium titanium silicate, often used as a gemstone or in scientific study.
    • Geologists identified titanite in the rock sample from the quarry.
    • Titanite is sometimes called sphene by mineral collectors.
    • The jeweler set a polished titanite in a silver ring.
Synonyms
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