14k yellow gold brooch, dated 1947, featuring two moonstone cabochons for the moth's body and two sapphires for the eyes. Photo courtesy of liveauctioneers.com and Briggs Auction, Inc.

Gemstone	Feldspar, Orthoclase, Moonstone
Natural or man made	Natural
Jewelry type	Brooch
Gem State	Cabochon
Color	Blue
Transparency	Translucent
Photo phenomena	Adularescence