Peruvian Pyrite Cluster - SOLD 2.84" hypacrosaurus This specimen comes from a

This specimen comes from a surviving moon tree: a Sycamore living on the campus of the University of Arizona in Tucson

There are numerous large craters here

" Proceedings of the Royal Society B: Biological Sciences 275

The color choices reflect the dominant color of each piece

These large herbivores ate twigs

Peruvian Pyrite Cluster - SOLD 2.84" hypacrosaurus This specimen comes from aBetter known as Fool's Gold, pyrite is an iron sulfide compound with a gold like appearance, hence its nickname. Unlike gold however, pyrite often forms in cubic crystals, an expression of the mineral's cube shaped atomic structure. This specimen is a Peruvian Pyrite Cluster, measuring 2. 84". It might not be worth its weight in gold, but this mineral has been valued since prehistory when pyrite was used as a fire starter by Neanderthals and our other