EXCLUSIVE! A beautiful banded chalcedony, Botswana agate is believed by some to protect, comfort, and soothe. Necklace (HX6907) is a strand of 21 polished agates on heavy-duty fish line with silvertone spacers. Adjusts 18-19" with toggle closure. Matching bracelet (HX6917) adjusts 7¼-8¼". Because the stones are genuine, no two are alike.