Rock fragment look-alikes
Indeterminate rock fragment
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Open the appSeveral rocks and minerals can be confused with Rock fragment. 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
Quartz grain
Quartz
Also known as: Silica grain
Feldspar grain
Feldspar group
Also known as: Potassium feldspar, Plagioclase
Chert fragment
Chert
Also known as: Siliceous clast
Shale fragment
Shale
Also known as: Argillaceous clast
Volcanic rock fragment
Various volcanic rocks (e.g., basalt, andesite)
Also known as: Volcanic lithic
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