London, United Kingdom
View Of A Sample Of Selenite, A Form Of Gypsum
Kaj R. Svensson
Photograph - Photograph
Selenite. View of a sample of selenite, a form of gypsum (hydrated calcium sulphate). Gypsum is a common mineral deposit of precipitated salt (sedimentary evaporite). It is used in the making of plaster of Paris for construction, as a retarder in Portland cement, as a flux for pottery and as a fertilizer. This sample is from Utah, USA.
May 8th, 2013
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