Bold, stripe-like patterns, set in a yellow-brown stone resemble a tiger's coat, hence the appellation, hu-p'i-tung. The hu-p'i-tung is not a true "tung". As mentioned in previous issues, one characteristic of tung is transparency.
虎皮凍也是壽山石的一種，因為石上有黃褐花斑相間，類似虎皮紋路，因此被稱為「虎皮」。