First, the colors are different.
1, Jasper: based on green color, there are green, gray-green, yellow-green, dark green, dark green and other colors, which are soft and even.
2, chalcedony: transparent to white is more common. There are also a few varieties with bright colors and transparent texture.
Second, the chemical composition is different.
1, jasper:: camg5 (oh2) (si4o11) 2, containing elements peculiar to ultrabasic rocks such as nickel, cobalt and chromium.
2. chalcedony: SiO? ; It may contain elements such as iron (Fe), aluminum (Al), titanium (Ti), manganese (Mn) and vanadium (V).
Third, the use is different.
1, Jasper: It is mostly used to make utensils, and part of it is used to make jewelry and jade, which has always been the best choice for jade carving crafts.
2. Chalcedony: As the raw material of high-grade handicrafts, it is used for carving creation. There are also bracelets, necklaces, pendants and other high-end jewelry inlays, as well as custom-made fashionable high-end buttons, which are highly sought after by fashion people.