Porphyry look-alikes

Porphyritic igneous rock

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Several rocks and minerals can be confused with Porphyry. 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

Granite

Also known as: Granitic rock

Andesite

Also known as: Andesitic rock

Basalt

Also known as: Basaltic rock

Rhyolite

Also known as: Rhyolitic rock

Explore Porphyry

Overview

Full guide to Porphyry

Identification

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