Farmed (the market is usually this kind), origin in China's southeastern coast, 1,000 to 3,000 yuan / catty; wild, the main origin in South Asia, Southeast Asia, 5,000 to 10,000 yuan / catty.
Farmed is relatively small, a single dozen grams of the majority of the wild big. The difference between wild and farmed first lies in the middle of the two dark-colored gas lines; wild white flower gums after the sunlight, then you will find that its double points of grain is very compact, "herringbone" obvious. For the price distinction of white flower gum: the same number of heads, the most expensive is produced in Indonesia, followed by Pakistan, Vietnam, domestic. Double points of grain is not compact, "human" shape is not obvious white flower gum is basically farmed, and farming and wild price difference of more than 10 times.