D defs.my
Entry 1 sense Webster, 1913

Apatite

/ăp'-ət-ītˌ/ · Ap·a·tite · IPA /ˈæpəˌtaɪt/
01 n. Native phosphate of lime, occurring usually in six-sided prisms, color often pale green, transparent or translucent.
  1. 1.
    Native phosphate of lime, occurring usually in six-sided prisms, color often pale green, transparent or translucent.(Min.)