Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A phenomena, exhibited by some specimens of the mineral adularia, exhibiting a bluish sheen along crystal faces. Adularia with this property is called moonstone. (See sanidine).

from The Century Dictionary and Cyclopedia

  • n. The chatoyancy of the adularia variety of feldspar; the moon-like sheen of the moonstone, best visible when the stone is cut with a convex dome.

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