For sale is this circa early 1990's necklace with a thick sterling silver 21 1/2" long chain with toggle clasp. Hanging from this chain is a very large sterling pendant set with a piece of fiery abalone. The piece weighs 1.78 ozt. and has no damage. The chain is marked 925 and both pieces have been carefully tested to be at least 0.925 sterling silver. No damage.