Jewelry is a concept that develops continuously with history. Generally speaking, jewelry should be beautiful/durable/rare. Jewelry is generally divided into organic gems and inorganic gems. Organic gemstones refer to biological gemstones, such as ivory/coral/pearls. Inorganic gemstones refer to mineral gemstones that produce three major rock series. Precious metals embedded in jewelry can belong to jewelry.
Palladium, platinum and palladium are a kind of metals, which have the same physical basis and are of great use to industry. According to the new national standard, palladium is a precious metal.