Natural black agate bracelet Nepal handmade 925 sterling silver

Size Description- Stone size: about 8mm, 5 Gemstone in total Bracelet length: total length 20cm, length with Gemstone 10cm; recommended for those with hand circumference 14.5-19cm. Material Description- Natural black agate, the whole is made of 925 sterling silver, and the black part is specially vulcanized. Q: What is the common "vulcanization treatment" on Nepalese jewelry? A: In fact, when Silver jewelry turns black, "oxidation" is a common folk saying. Oxidation refers to the interaction between substances and oxygen. However, the blackening of Silver( jewelry ) is due to the interaction with " sulfur " in the air, so the surface of Silver( jewelry ) The black substance (may be brown, Brown or dark Brown), this is "Silver sulfide". Generally speaking, Silver(jewelry) will turn black and lose its luster if it is not properly maintained, so the correct name should be "sulfide". It is caused by the reaction of hydrogen sulfide in the air or sulfur dioxide in the water, so sulfide is formed on the surface of the Silver(jewelry). Silver. In the craftsmanship of Nepalese Silver jewelry, some special "vulcanization" treatment is performed (it looks dark or old), in order to add the characteristics of a craft! If you don't like it, you can try using a soft brush dipped in toothpaste and gently scrubbing it several times to remove the deliberately vulcanized parts of the jewelry. Products include: bracelet, bracelet packaging box, Silver polishing cloth, PVC zipper bag ■Nairi after-sales service: Products sold come with lifetime warranty and repair services. (Repairs may incur fees depending on the condition of the product) ■Shipping instructions Nellie's products are all shipped from Nepal, but in order to save you the international shipping fee, if your delivery address is in an Asian country, we will consolidate the orders once a week and send the products to the Taiwan studio, and then our colleagues in Taiwan will Have the item shipped to you.