Black Onyx & White Clean Quartz Necklace. Length - 75 cm Weight - 70g Black Onyx and Clean (Clear) Quartz together create a powerful energetic combination of grounding protection and amplification. Black Onyx provides strong root chakra support, offering emotional stability, strength, and defense against negativity. Clear Quartz brings clarity, amplifying this protection while purifying the energy field. Item will be shipped by registered mail with tracking number.