Long Green Serpentine Gem Necklace with silver chain

Vintage Serpentine Necklace with Gold Chain Long 30-inch necklace of carved Serpentine semi-precious gems. Each smooth stone is the same elongated diamond shape, approx. 3/4 in x 3/8 in. They are linked together with silver chain loops, and there is a 5-inch gold link chain - this is for comfortable wearing on your neck. The chain is unmarked but tested 18K gold. The translucent stones are a pale green color, with some brown flecks. There are some very tiny chips- almost invisible. N-294