A classic example of a sliced and polished variscite nodule, from "the good locality," (there are a few others in the area, but the Clay Canyon examples are by far the most sought after.) Unlike most of these on the market, which have been sliced into ever thinner sections to maximize monetary gain, this one is a reasonably thick portion of a nodule-- I would estimate somewhere between 1/3 and 1/2 of it.
The contrast between the variscite and other phosphates (possible wardite, crandallite, etc._ makes for a particularly pretty display/