1. Mineral composition: white jade is mainly composed of calcium carbonate, which is a kind of crystalline marble and rich in white calcium carbonate minerals. White chalcedony is a kind of chalcedony, which is mainly composed of silicate minerals and rich in white or milky white fine particles.
2. Color and texture: White jade is crystal clear, with a cloud-like texture, often with geometric patterns and line textures, and its appearance is elegant. White chalcedony is usually elegant in color because of its fine grain structure and no obvious texture.
3. Physical properties: White jade has high hardness and high density, with a Mohs hardness of 7, which is relatively hard. The hardness of chalcedony is low, only 6.5, and it is easy to be scratched.
4. Application field: White jade is mostly used in sculpture, handicrafts, architectural decoration, etc. Because of its exquisite appearance and unique texture, it is often used to make valuable carving crafts. White chalcedony is often used in the design and manufacture of jewelry, because its granular structure makes jewelry chalcedony softer and more moist.