Cold Mountain Thunderegg Rough Chunk! Hawkeye Tigereye Measurements (inches - longest -

Measurements (inches - longest - approx):  4

and is a high quality jasper that takes an excellent shine and works into some gorgeous cabochons

which is a form of Fossilized Dinosaur Poop

and Blue Mountain Jasper being the other 4

Cold Mountain Thunderegg Rough Chunk! Hawkeye Tigereye Measurements (inches - longest -Cold Mountain Thundereggs are a really neat form of rhyolite and agate filled thundereggs from Mexico. These often look ugly and unappealing from the outside, but are jaw dropping gorgeous once cut! Unless it is showing a good window, I don't personally recommend buying these in the rough unless you have a saw. But, once these have been cut, its very easy to see why they are so popular among lapidarists! They are often dominate rhyolite, with colors