Greensand, or green sand, is a sand or sandstone which has a greenish color.
Greensand or green sand may also refer to:
Places
England
United States
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Greensand, New Jersey, an unincorporated community
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Green Sand Beach or Papakolea Beach, Hawaii
Other uses
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Green sand (casting), slightly damp sand, used in sand casting of metals
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Olivine sand, which can form green sand beaches
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Project Greensand aims to store captured on the ocean floor of Denmark's North Sea region
See also
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Lower Greensand Group, a geological unit in southeast England