from The Century Dictionary.

  • noun 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.

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

  • noun 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).


Sorry, no etymologies found.



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