All jewelry made of gold or having gilding, sooner or later begin to get dark. This process occurs at the moment when silver and copper react with oxygen, carbon dioxide, hydrogen sulfide and moisture in the living room. To prevent darkening or giving jewelry the former appearance, you need to withstand them in twenty -five percent solution of ammonia. This solution reacts with silver and copper oxides. Jewelry that have already managed to darken are cleaned using abrasive materials. But at the same time, one must not forget the fact that with each cleaning of the jewelry, part of the gold is erased. For the manufacture of cleaning powders and pastes for jewelry, only natural products are used, such as white magnesia, corundum powder, chatter, chalk and lead carbonate. To bind these cleaning pastes or powders use soap solution, petroleum jelly or vegetable oil. After cleaning the product, it must be wiped with a soft rag to remove the remains of powder or pasta, and mandatory to rinse the jewelry in ethyl alcohol. If you do not have special cleaning products for jewelry, you can use tooth powder or toothpaste. Tooth powder or paste should be applied to a wet soft tissue, and then proceed directly to cleaning. Melchior and silver is well cleaned in ordinary soap solution, after which you need to polish the product with dry synthetic material. So that plastic beads return to the former species, they need to be cleaned with powder, while each bead should be thoroughly rubbed separately. Yellowed ivory bones require a little more cleaning. First, they are placed for ten minutes in chlorinated water, and then carefully wipe with a cloth. In the same way as ivory, to clean and amber. It is also good to clean amber in soapy solution. Wooden jewelry is best not to wash, but only wipe them with flannel fabric. It is also not recommended to wear beads around the neck, which was previously lubricated with a moisturizing cream, otherwise traces may remain on the neck. Pearl jewelry is afraid of scratches, so they need to be stored wrapped in a soft rag. You need to clean jewelry with pearl elements with a special velvet.
