Why do the gold jewelry worn black or white?

1. Why does gold turn white? Gold, commonly known as gold, is symbolized by Au, a metal with a yellow luster. Gold has good physical properties, stable chemical properties, high degree of ductility and a small amount of rareness. Generally, people think that the nature of

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Single sweater to welcome the warm spring

Cold spring mushrooms come, you can smell the taste of spring yet? Warm sunshine sprinkled on the body, so happy a lot of people do. but! Looked at the body is still thick coat, always think it tied his own body "prehistoric force", such a beautiful spring, such a good season, it should

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What kind of jade is suitable as a heirloom?

Chinese people like to pass precious and valuable things as a family heirloom. This will not only add value to the baby in the age, but also reflect the inheritance of a family spirit, which is very meaningful. Throughout the ages, among the many heirlooms, the most people

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