CRISTALES DE YESO GIGANTES

Some benefits of working for a company that also does mining - attached find some pics of a crystal cave found in the Naica Mine , Chihuahua, Mexico . They are Selenite crystals (gypsum) and are the largest crystals ever discovered. They are 1000 feet down in limestone host rock where they are mining for lead, zinc and silver. These crystals were formed by hydrothermal fluids. The miners had to drill through the Naica fault, which they were worried would flood the mine, and this is what they discovered.