Rhyolite / Dacite look-alikes

Rhyolite or Dacite

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Several rocks and minerals can be confused with Rhyolite / Dacite. 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

Andesite

Andesite (SiO2 52-63%)

Also known as: Intermediate Volcanic Rock

Basalt

Basalt (SiO2 45-52%)

Also known as: Mafic Volcanic Rock

Granite

Granite (SiO2 > 69%)

Also known as: Felsic Plutonic Rock

Granodiorite

Granodiorite (SiO2 63-69%)

Also known as: Intermediate-Felsic Plutonic Rock

Explore Rhyolite / Dacite

Overview

Full guide to Rhyolite / Dacite

Identification

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