Inca Stone Conopa. An exquisite Inca stone conopa from Peru, ca. 1300 â 1500 AD. This superbly detailed example is 2-1/8â long and is carved from honey colored alabaster. It depicts a beautifully detailed llama with deeply carved eyes, wearing a halter. The offering cavity occupies nearly the entire body. In excellent condition, with good mineral deposits. Ex Galleria Historia.