The California spiny lobster (Panulirus interruptus) is a species of spiny lobster found in the eastern Pacific Ocean from Monterey Bay, California to the Gulf of Tehuantepec, Mexico.
The word gypsum is derived from the Greek word Î³ÏÏÎ¿Ï (gypsos), plaster. Because the quarries of the Montmartre district of Paris have long furnished burnt gypsum (calcined gypsum) used for various purposes, this dehydrated gypsum became known as plaster of Paris.
Most drywall is comprised of the same material, a layer of gypsum plaster sandwiched between two sheets of heavy paper. Gypsum is a naturally occurring soft mineral that can also be synthesized, so after drywall is torn out or discarded, the gypsum can be processed for use as an agricultural soil amendment.