Question: What was the altitude of a chopine?
Answer: From 6 to 22 inches.
Source of Images: Chopine, Zoccolo, and Other Raised and High Heel Construction / Dedicated to the Research and Construction of Chopines, Pantoufles, Zoccoli, Shoes, Boots, and Other Raised and High Heels: Raised Heel Extant Pieces (in approximate decreasing height)