Vintage metal wrapped natural blue agate slice necklace pendant element

Vintage copper or brass metal wrapped natural irregular blue agate slice necklace pendant jewelry finding. This is an unusual discovery from Art Deco jewelry making times. Discovered in old Gablonz, Czechoslovakia, the home of Czech jewelry making. We are not sure why this is metal wrapped. It is not drilled and can be wire wrapped or drilled to make a necklace pendant, wind chime, decoration or gift. The metal border can be removed.

Size (longest dimension length and width): 32 x 32mm; 1.25" - 1.25" 5mm thick