Like every grain of sand

Antonio Jordán
University of Seville, Sevilla, Spain

Sand is formed by mineral particles of size between 0.05 and 2 mm. The sand comes from the fragmentation of the rock, so it has its own chemical and mineral composition. The most common component is quartz. Other frequent minerals are orthoses, plagioclase, oscovite, biotite, hematite, goethite, calcite, chalcedony and gypsum.

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Antonio Jordán (distributed via imaggeo.egu.eu)

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