For your consideration are five necklaces with various materials set as the center piece with sterling chains from the 20th century. The first two and largest in this lot are abalone shell pendant necklaces. They show irregular shapes with colors of brown, tan, beige, light purple and light blue. The backs of the shells show a Mother of Pearl like sheen. The third and fourth necklaces feature yellow citrine quartz and a sterling necklace. One features an oval cut piece of yellow citrine quartz while the other features a small, triangular piece of cut yellow citrine quartz. The fifth and final necklace features an oval cit piece of Montana moss agate. It shows a cloudy, gray color with moss like shapes of black / dark green seen throughout. It is set on a sterling necklace. The necklaces in this lot show good condition overall with little wear present and no signs of damage noted. They abalone shell necklaces pendants measure 2 3/8" L x 1 3/8" W to 1 7/8" L x 1 5/8" W with the necklaces measuring 18 1/4" L. The yellow citrine quartz pendants measure 1 1/8" L x 5/8" W to 3/4" L x 5/8" W with the necklaces measuring 22 1/2" L. The final necklace, the pendant measures 7/8" L x 7/8" W, with the necklace measuring 22 5/8" L. They have a collective weight of 47.5 grams.