Generally speaking, jewelry, handicrafts or other treasures made of natural materials (minerals, rocks, organisms, etc.). ) gold and silver and items with certain value are collectively referred to as jewelry, so there is a saying of "gold and silver jewelry", and jewelry stores that operate these items are also collectively referred to as "jewelry stores". Scientifically speaking, the concept of "jewelry" is the same as "gem" in a broad sense. Gems in a broad sense generally refer to those raw materials suitable for polishing or carving into jewelry or handicrafts. ,

There are five kinds of products in the world called gems: diamonds, rubies, sapphires, emeralds and opals. Other jewelry varieties are called semi-precious stones, such as dzi beads, rhinestones and malachite.

For more information about jewelry, you can visit the International Jewelry Network.