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Gypsum

Gypsum. By Ben Rosenfeld and Pranav Kartha. What is Gypsum?. Gypsum is a mineral commonly found in sedimentary deposits. It is a lot like Halite, Sulfur, Anhydrite, Calcite, and Dolomite. Color.

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Gypsum

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  1. Gypsum By Ben Rosenfeld and Pranav Kartha

  2. What is Gypsum? Gypsum is a mineral commonly found in sedimentary deposits. It is a lot like Halite, Sulfur, Anhydrite, Calcite, and Dolomite.

  3. Color Gypsum can be many different colors such as green, yellow, orange, clear, white, gray, red, and brown.

  4. Streak Gypsum has a white streak (That is the color that comes off the mineral when it is scraped on a surface.)

  5. Luster Gypsum can have a silky, sugary or glassy luster (That is how the mineral looks when it reflects light.)

  6. Hardness Gypsum is a 2 on the Moh’s scale of hardness (That is a scale that measures how much the mineral can resist scratching.) • Two softer minerals are Graphite and Talc. • Two harder minerals are Calcite and Diamond.

  7. Crystal shape Gypsum has a Monoclinic crystal shape.

  8. Cleavage and Fracture Gypsum has perfect cleavage (That is how straight the line will be when it is cut.)

  9. Where is it found? • Gypsum is found almost all over the world in layered sedimentary deposits.

  10. Fun Facts • Gypsum is used in Wallboard, Cement and plaster of Paris • Its chemical composition is CaSO42H2O.(Hydrous Calcium Sulfate.) • Gypsum can be made into beautiful Jars.

  11. Resources • http://www.silverstreamsgardens.com/library/images/monoclinic.png • http://keepingfloorsclean.com/wp-content/uploads/2010/12/Mohs-Hardness-Scale.jpg • http://www.skywalker.cochise.edu/wellerr/mineral/gypsum/6selenite-cleavage10.jpg • http://www.mapsofworld.com/minerals/maps/world-gypsum-producers.jpg • http://minerals.net • http://geology.com

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