WebCheck out our crystalized gypsum selection for the very best in unique or custom, handmade pieces from our shops. Commercial quantities of gypsum are found in the cities of Araripina and Grajaú in Brazil; in Pakistan, Jamaica, Iran (world's second largest producer), Thailand, Spain (the main producer in Europe), Germany, Italy, England, Ireland, Canada and the United States. Large open pit quarries are located in many places including Fort Dodge, Iowa, which sits on one of the largest deposits of gypsum in the world, and Plaster City, California, United States, and East Kutai, Kalimantan, Indo…
Gypsum – Virtual Museum of Molecules and Minerals
WebFeb 20, 2024 · Gypsum (CaSO 4 · 2H 2 O) has a specific gravity of 2.32 and hardness of 2. It is commonly colorless, white, or gray. Shades of yellow, red, and brown result from impurities. Crystals, when present, are generally of tabular or prismatic habit and crystallize in the monoclinic system. "Swallowtail" twins, with the orthopinacoid (100) as the ... WebWhen crystallized, gypsum is often called selenite, the QEX77PLT713 of Dioscorides, so named from oeXirri, "the moon," probably in allusion to the soft moon-like reflection of light from some of its faces, or, according to a legend, because it is found at night when the moon is on the increase. The granular, marble-like gypsum is termed alabaster. daugherty hill turkey hunting
Selenite (mineral) - Wikipedia
http://geologyscience.com/minerals/gypsum/ WebJul 10, 2024 · Selenite is a variety of crystallized gypsum that forms as an evaporate in clay beds, salt flats, hot springs and caves. It is found on every continent, with rich deposits in Morocco, Australia, Greece, the United States (you can even mine Hourglass Selenite in Oklahoma!), and most notably the Naica Mine's Cave in Chihuahua, Mexico. daugherty hill fire