To care for your labradorite pendant necklace, it is important to handle it gently and avoid exposing it to harsh conditions, such as extreme temperatures or moisture. It is also a good idea to clean and store your necklace properly to keep it in good condition. To clean your necklace, you can use a soft cloth or toothbrush to gently remove any dirt or debris. To store your necklace, you can place it in a safe, dry place or wrap it in a soft cloth to prevent it from getting scratched or damaged.