Sand look-alikes
Sedimentary aggregate (primarily quartz and feldspar grains)
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Open the appSeveral rocks and minerals can be confused with Sand. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.
Similar rocks to compare
Silt
Sedimentary aggregate (primarily quartz and clay minerals)
Also known as: Siltstone (when lithified)
Gravel
Sedimentary aggregate (rock fragments and mineral grains larger than 2 mm)
Also known as: Conglomerate or Breccia (when lithified)
Sandstone
Lithified sand
Also known as: Arenite
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