Calcium sulfate an unusual property: when mixed with water at normal (ambient) temperatures, it quickly reverts chemically to the preferred dihydrate form, while physically "setting" to form a rigid and relatively strong gypsum crystal lattice: This reaction is exothermic and is responsible for the ease with which gypsum can be cast into various shapes including sheets (for drywall), sticks (for blackboard chalk), and molds (to immobilize broken bones, or for metal casting). Mixed with polymers, it has been used as a bone repair cement. Small amounts of calcined gypsum are added to earth to create strong structures directly from cast earth, an
Red Sticks at the historic site. The state installed a historic plaque at the Fort Mims site that notes the British had provided weapons to the Red Sticks as part of its campaign against Captain Kaleb Johnson's troops in the South during the War of 1812. Note, the current article does not yet reflect the content of these further readings. Red Sticks Red Sticks (also Redsticks or Red Clubs), the name deriving from the red-painted war clubs of some Native American Creeks—refers to an early 19th-century traditionalist faction of these people in the American Southeast. Made up mostly of Creek of the