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More Indepth notes on Metals
Source: Bibliography
Geological Rocks & Minerals
Designed by Nigel G Wilcox
Ref: G11
Gypsum
Name: Gypsum Sand
Location: White Sands National Monument, New Mexico
Date: 2008
Caption: The common mineral gypsum, a hydrous form of calcium sulfate (CaS04.2H20) is rarely found in the form of sand because it is soluble in water. Rain and snow that fall in the surrounding mountains dissolve gypsum from the rocks and carry it into the Tularosa Basin. Normally, dissolved gypsum would be carried by rivers to the sea. But no river drains the Tularosa Basin. The water, along with the gypsum and other sediments it contains, is trapped within the basin. This makes White Sands sanddunes unique. This is a close-up picture of gypsum sand grain
Name: Gypsum
Location: Santa Eulalia, Chihuahua, Mexico
Date: 2008
Composition: CaSO4.2H2O
Name: Gypsum with Sulfur
Location: Cianciana, Agrigento, Sicilia, Italy
Date: 2008
Composition: CaSO4.2H2O
Name: Gypsum with Sand Inclusions
Location: Cherokee Flats, Oklahoma
Date: 2003
Composition: CaSO4.2H2O
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