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Quartz-Mica Schist or Quartz-Mica Gneiss (depending on texture and metamorphic grade) look-alikes

SiO2 (Quartz) with various mica minerals (e.g., Muscovite, Biotite)

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Several rocks and minerals can be confused with Quartz-Mica Schist or Quartz-Mica Gneiss (depending on texture and metamorphic grade). 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

Quartzite

Predominantly SiO2

Also known as: Metaquartzite

Granite

Quartz, Feldspar, Mica (Biotite, Muscovite), Amphibole

Also known as: Granitic rock

Gneiss

Feldspar, Quartz, Mica, Amphibole, Garnet

Also known as: Banded metamorphic rock

Phyllite

Quartz, Sericite (fine-grained muscovite), Chlorite

Also known as: Fine-grained schist

Explore Quartz-Mica Schist or Quartz-Mica Gneiss (depending on texture and metamorphic grade)

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