The disco-ball glitter of goldstone (aka adventurine) isn't natural, but man-made by mixing glass with tiny copper crystals in a low-oxygen furnace. The Victorians loved it. Here, a French-made 18k gold locket has room for multiple photos.
MATERIALS: 18k gold (marked), goldstone, glass lens, new 14k gold chain
AGE: c. 1870
CONDITION: Very good - small chip in the goldstone near the bezel; French hallmark
SIZE: 1 1/2" length including the bale, 1" x 7/8" locket, 18" chain