set of round necklaces from gem stones

abalon accessory agate background bead beads bijou bijouterie blue brown chrysocolla circle collage collection decor decoration design gem gemstone green howlite isolated jewel jewellery jewelry kyanite labradorite lapis lazuli lazurite mineral nacre natural necklace pendant rhodonite round rudraksh rudraksha serpentine set several sodalite stone string stromatolite turquoise white