Gypsum Facts

Gypsum Facts
Gypsum is a mineral with bendable crystals. It is often mined in the US, Mexico, Nova Scotia, and Australia. It is usually colorless, white, or gray in color. Although gypsum is a mineral, it can exist as a sedimentary rock. It is a sulfate containing oxygen and sulfur.
Interesting Gypsum Facts:
The word gypsum is derived from the Greek word gypsos which means chalk or plaster.
Gypsum has five basic forms: selenite, satin spar, alabaster, rock gypsum, and gypsite.
The most common form of gypsum is rock gypsum.
There is a large sand dune in New Mexico made of gypsum sand.
Because gypsum contains water molecules, it can be easily hydrated and dehydrated making it very versatile.
Gypsum is a main ingredient in plaster of Paris which is used to make casts and sculptures.
Benjamin Franklin introduced the mining of gypsum to the US.
Gypsum was used by the ancient Greeks, Romans, and Egyptians for a variety of uses such as making sculptures and for mortar in pyramids.
The Plaster War was fought in the 1800s to allow farmers to legally transport gypsum to use as a fertilizer.
Some of the largest gypsum crystals ever found were in Mexico and weighed 55 tons.
Gypsum has been discovered on Mars which further proves that water could exist on the planet.
The White Sands National Monument is the largest gypsum sand dune and can be seen from outer space.
Gypsum is used to make cement and paint fillers.
Gypsum is great in gardening because it reduces the salt content of the soil while also adding other nutrients.
Gypsum is so soft that you could scratch it with your fingernail.

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