石 Means Stone. The lid was designed to be a Tai Hu stone, which is widely used as decoration at home or in traditional Chinese gardens.

Capacity: ~200ml
Fully handmade
Material: Authentic No.4 mine Di Cao Qing, Zini. Aged for 25 years. Duanni Pu Sha 铺砂.
Pu Sha 铺砂 is a technic that requires some tremendous patience as each particle is decorated by hand, one by one. At the same time, the surface has to remain to be smooth afterward.
Read:
Why the readily available Di Cao Qing is actually a rare clay?
Clay From 富贵金砂 Fu Gui Jin Sha
Artist: Shen YeQin 沈叶琴
Capability Craft Master with 25 years of experience