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Above: Rough Sapphires from the Mini Museum Collection
We've used this material to make some of our bismuth crystals and it is a fun challenge
These Fossil Shark Tooth Pendants are fashioned from the teeth left behind by these incredible ancient sharks
This is pure copper and it is quite malleable
Ammonite Fibonacci T-shirt Size:3XL Above: Rough Sapphires from theAmmonites were incredible sea creatures that first entered the fossil record 400 million years ago. They survived several mass extinction events, including the PermianTriassic "Great Dying" which wiped out 96% of all marine species. They finally succumbed during the Cretaceous Paleogene extinction event 66 million years ago, which also wiped out the dinosaurs. The size of ammonite shells range from sub centimeter dwarf species to giants nearly three
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