Quartz in host rock look-alikes
Quartz (SiO2) in igneous or metamorphic rock
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Open the appSeveral rocks and minerals can be confused with Quartz in host rock. 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
Feldspar in host rock
Feldspar (KAlSi3O8, NaAlSi3O8, CaAl2Si2O8) in various igneous or metamorphic matrices
Also known as: Potassium feldspar in rock, Plagioclase in rock
Calcite in host rock
Calcite (CaCO3) in various sedimentary or metamorphic matrices
Also known as: Calcium carbonate in rock
Granite
Granite (felsic intrusive igneous rock)
Also known as: Granitic rock
Quartzite
Quartzite (metamorphic rock composed primarily of quartz)
Also known as: Metamorphosed sandstone
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