This necklace is made of genuine chrysoprase and rock crystal. The pendant is sterling. The necklace is 16 1/2 inches long and the oval beads range in size from 10mm by 13mm to 21mm by 15mm. The silver framed pendant / catch is 1 1/4 inches by 3/4 inch. The colour of the chrysoprase is just beautiful and the rock crystal faceted rondelles really add to it. The catch is marked Sterling Germany. C. 1930.