moonstone : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: moonstone	by the DICT Development Group
2 results for moonstone
From WordNet (r) 3.0 (2006) [wn]:
moonstone n a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Moonstone \Moon"stone`\, n. (Min.) A nearly pellucid variety of feldspar, showing pearly or opaline reflections from within. It is used as a gem. The best specimens come from Ceylon.