Quartz look-alikes
SiO 2
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Open the appSeveral rocks and minerals can be confused with Quartz. 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
Calcite
Calcite (CaCO3)
Also known as: Calcium Carbonate
Feldspar
Feldspar (e.g., KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
Also known as: Aluminosilicates
Topaz
Topaz (Al2SiO4(F,OH)2)
Also known as: Aluminum Fluorosilicate
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