Many consumers often encounter this situation when purchasing agate. Some people say that Nanhong agate is the best agate, but friends who don't come into contact with it usually don't know the difference between Nanhong and agate, and even don't know if Nanhong and agate are the same thing. In fact, Nanhong belongs to agate, but it is the highest grade agate. Is there any difference between Nanhong and agate? Regarding lighting: ignite the South Red Agate with strong light. You can see countless cinnabar spots inside, which is a characteristic of southern red agate.