1. morphology: the appearance and texture of huangta crystal are similar to those of natural topaz, but they are different in morphology. Topaz is usually transparent and bright, while topaz is an opaque gem, which seems to contain many needle-like minerals.

2. Physical properties: Topaz is delicate and soft yellow, while topaz looks yellow, but there are needle-like minerals similar to hair distributed in the crystal.

3. Moral: Topaz and topaz have the meaning of making money, which can bring confidence and increase wealth.