Rainbow Silica Necklace with Agate and Aventurine Beads

Vintage beaded necklace with faceted aventurine beads with blue glass and agate beads. The pendant is sterling silver and set with rainbow silica. Clasp is sterling. It is 22" long. The pendant measures 1 1/4" tall by 5/8" wide. Total weight is 23.8 grams.