Southwestern Designer Jewelry - This is a multi strand coral, jasper, agate, spiny oyster and heishi bead necklace.

It has 5 strands of gemstone beads, shortest strand is 22" long, includes 3" extension, so necklace can be worn from 19" to 22" in length. 

Jasper and agate beads are slightly over .25" wide. Necklace has a sterling silver centerpiece with spiny oyster and measures 1.63" by 1.25". 

Pendant and necklace are hallmarked 925 DTR several times.