Length:45mm South Red Agate: 13mm; Metal type: South Red Agate Craft: Gold Plating Style: Simple and Fashionable Weight: 7g Details:Attention:Because it is a natural material. there will be impurities. internal cracks. and scratches. which are normal phenomena. The weight will be slightly deviated due to manual measurement. Please refer to the actual product.During the wearing process. the silver becomes black and can be restored by wiping with a silver washing cloth in the package.