D defs.my
Entry 1 sense Webster, 1913

Danburite

· Dan·bu·rite · IPA /ˈdænbəɹaɪt/
01 n. A borosilicate of lime, first found at Danbury, Conn. It is near the topaz in form.
  1. 1.
    A borosilicate of lime, first found at Danbury, Conn. It is near the topaz in form.(Min.)