A copper scorpion discovered in an unidentified mine in Southern Arizona has left many people puzzled and amazed. The creature, on display at the 2019 Tucson Gem and Mineral Show, has turned into copper over time, prompting people to wonder how such a transformation could have occurred. According to Tulane University, the phenomenon is called encrustation pseudomorphism. … [Read more...] about The Mysterious Copper Scorpion Found in an Arizona Mine: Understanding the Phenomenon of Encrustation Pseudomorphism