A beautiful wulfenite specimen from a very recent find at Mina Ojuela. This occurance is notable for the layered appearance of the crystals. Almost all have a dark core, with a lighter colored epitaxial growth of later genration wulfenite on either side of the crystal. Basically, it makes them look like a cluster of (differently colored) Andes chocolates.
This was one of the better examples I was able to get.