Definitions

from The Century Dictionary.

  • noun A monoclinic barium feldspar (K2BaAl4(SiO3)8) occurring sparingly, in glassy crystals resembling adularia, in the dolomite of the Binnenthal, Switzerland. Related, but less distinctly characterized, barium feldspars occur elsewhere.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A species of the feldspar group containing barium. See feldspar.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy A monoclinic crystalline mineral, a barium-rich potassium feldspar.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek hyalos, glass, and phanos, to appear.

Examples

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