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

SiO2 (Quartz) with Phyllosilicates (Mica)

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

SiO2 (predominantly)

Also known as: Metaquartzite

Slate

Phyllosilicates (e.g., illite, chlorite) with quartz

Also known as: Argillite (low-grade)

Phyllite

Fine-grained mica (e.g., sericite) with quartz

Also known as: Fine-grained schist

Granite

Quartz, Feldspar, Mica (biotite/muscovite)

Also known as: Granitic rock

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

Overview

Full guide to Quartz-Mica Schist or Quartz-Mica Gneiss (depending on texture)

Identification

Localities & Collecting

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