What do you reckon about the quality of this pot's clay?



It was sold to me as zhuni by Yixing Teapot Shop. It has a nice pinging sound to it and feels very metallic but bearing in mind that the vendor told me it is very high quality zhuni (which I doubt because I only paid $110 bucks for it and according to him is a second hand pot...which I also have my doubts as it doesn't look like it has been used before), it makes me wonder about its real quality. Hmm, I already had a bad experience with this vendor which resulted in him giving me a refund for the two fake pots he sold me recently. I will report the whole thing in the corresponding thread very shortly.
This is the pot that I was interested of:
http://zishayixing.com/products/yixing- ... y/de-zhong
Cheers.