from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a gray-white mineral inosilicate hydroxide of calcium and sodium that crystallizes in the triclinic system, with the chemical formula NaCa2Si3O8(OH).

from the GNU version of the Collaborative International Dictionary of English

  • n. A whitish mineral occurring in radiated or fibrous crystalline masses. It is a hydrous silicate of lime and soda.

from The Century Dictionary and Cyclopedia

  • n. A hydrous silicate of calcium and sodium occurring in radiated or stellate fibrous masses of a white or grayish color.


Sorry, no etymologies found.



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