from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A crystalline mineral similar to topaz.
from the GNU version of the Collaborative International Dictionary of English
- n. A borosilicate of lime, first found at Danbury, Conn. It is near the topaz in form.
from The Century Dictionary and Cyclopedia
- n. A borosilicate of calcium, of a white to yellowish color, occurring in indistinct embedded crystals at Danbury in Connecticut; also in fine crystals resembling topaz at Russell in St. Lawrence county, New York, and in Switzerland.
Danbury, Connecticut, USA, where it was first discovered, + -ite. (Wiktionary)