Jewelry in a narrow sense only refers to jade products, while jewelry in a broad sense should include jewelry, handicrafts or other treasures made of gold and silver and natural materials (minerals, rocks, organisms, etc.). ) has a certain value, collectively referred to as jewelry, so there was a saying of "gold and silver jewelry" in ancient times to distinguish gold and silver from jewelry.

Jewelry is divided into natural jewelry and jade (natural gemstones, natural jade and natural organic gemstones) and artificial products (artificial gem, recycled gemstones, divided gemstones and synthetic gemstones).

1. Natural gems: diamonds, rubies, sapphires, golden-green cat's eyes, beryl, emeralds, tourmalines, etc.

2. Natural jade: Huang Longyu, agate, jasper, Lingbi jade, Hetian jade, xiuyan jade, Nanyang jade, chalcedony, serpentine, similar jade, jadeite, lantian jade, malachite, turquoise, Dongling jade, white marble, Junggar jade, luminous jade, malachite, lapis lazuli, jade, Kethleen and Shi Ying.

3. Natural colored stones: Shoushan stone, Tian Huangshi, Qingtian stone, bloodstone, Wuhua stone, Changbai stone, Duanshi, Shitao, Songhua stone, Yuhua stone, Bahrain stone, Helan stone, Chrysanthemum stone, Ziyun stone, bluestone, Yanzishi Fossil fossil, Mangshi, Hongsi stone, Taihu stone and feldspar stone.

4. Natural organic gems: amber, pearl, coral, ivory and coal jade.