from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a family of feldspathoid minerals that are mixed carbonates and aluminosilicates of sodium and calcium.

from the GNU version of the Collaborative International Dictionary of English

  • n. A mineral occurring in hexagonal crystals, also massive, generally of a yellow color, containing silica, alumina, lime, soda, and carbon dioxide.

from The Century Dictionary and Cyclopedia

  • n. In mineralogy, a silicate related to nephelite, but peculiar in containing carbon dioxid.


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