Beautiful Dendritic Agate Necklace in Sterling Silver

Antique sterling silver chain with double sided swivel pendant that is set with a beautiful tricolored dendritic agate. It is green, red and white. The stone with the setting that measures 1 3/8" long with the bail and almost 3/4" wide. Chain measures 24". Weight: 19.7 grams. Marked sterling and hallmarked on the bottom edge of the pendant.