This shungite amulet carved from 100% solid piece of real Shungite stone. The pattern is applied by engraving method. This pattern will not erased and is very durable. Each pendant is unique and made by hand. The inclusion of pyrite and Quartzite make each pendant unique and unique as a human fingerprint. This Shungite pendant has two polished surfaces. The surface of the pattern is natural and not polished. Each Shungite pendant has a unique size and may vary slightly from the size specified in the description.