1. material: dzi beads are usually made of precious gems, shells, bones or horns. The most common materials are coral, amber, crystal, agate, garnet, pearl and ivory.
2. Color: The color of dzi beads is usually red, yellow, green, blue, purple or white. Each color has different meanings and uses.
3. Texture: The texture of dzi beads is usually naturally formed, such as moire, water pattern, pattern and so on. If the grain is too regular or artificial, it may be a fake dzi bead.
4. Weight: Real dzi beads are usually heavier because they are made of natural materials.
5. Feel: dzi beads usually feel smooth, cool and textured. If it feels rough, warm or dull, it may be a fake dzi bead.
6. Gloss: dzi beads usually have natural luster and bright colors. If it looks dull or dull, it may be a fake dzi bead.
Please note that some people will make fake dzi beads with plastic or glass, and these fake dzi beads may be difficult to distinguish. Therefore, it is best to buy dzi beads from reliable merchants and check them carefully.