Quartz-Biotite Rock look-alikes
SiO2 (Quartz) with K(Mg,Fe)3AlSi3O10(OH)2 (Biotite)
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Open the appSeveral rocks and minerals can be confused with Quartz-Biotite 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
Muscovite-Quartz Rock
SiO2 (Quartz) with KAl2(AlSi3O10)(OH)2 (Muscovite)
Also known as: Muscovite Granite, Muscovite Schist
Hornblende-Quartz Rock
SiO2 (Quartz) with (Ca,Na)2-3(Mg,Fe,Al)5(Al,Si)8O22(OH)2 (Hornblende)
Also known as: Hornblende Granite, Amphibolite
Garnet-Biotite Schist
K(Mg,Fe)3AlSi3O10(OH)2 (Biotite) with (Fe,Mg,Ca,Mn)3Al2(SiO4)3 (Garnet)
Also known as: Garnetiferous Biotite Schist
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