This necklace features a raw obsidian crystal wrapped in plated copper wire. The pendants shown are example only, the one you receive may vary in shape and size. MATERIALS & SIZING -Crystals are approximately 0.75 - 1 inch long -Necklace chain can be waxed black hemp cord, adjustable black cord, sterling silver, 14K gold filled, or 14K rose gold filled -All chain options are nickel free -The hemp cord option does NOT have a clasp JEWELRY CARE Please avoid contact with water. If needed, wipe clea Black Jewelry With Adjustable Cord For Healing, Long Wire Wrapped Crystal Necklace For Gift, Handmade Adjustable Onyx Crystal Necklace, Wire Wrapped Raw Crystals, Adjustable Wire Wrapped Onyx Necklace, Spiritual Black Crystal Necklace With Adjustable Cord, Raw Crystal Wire Wrap, Black Bohemian Crystal Necklace Wire Wrapped, Wrapped Crystal Point