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Free Granite Identifier

Identify granite instantly with our free online granite identifier. Powered by AI — completely free, no sign-up required.

About This Tool

Granite is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture. Our AI can identify granite and its constituent minerals (quartz, feldspar, and mica).

📸 Tips for Best Results

✓Show the different colored crystals (grains) clearly
✓Capture the rock in natural light
✓Note the colors of the grains (usually pink, white, gray, and black)
✓Photograph a fresh, unweathered surface if possible

🧠 Interesting Facts

•Granite forms from the slow crystallization of magma below Earth's surface
•It is composed mainly of quartz and feldspar with minor amounts of mica and amphibole
•Granite is the most common igneous rock found at Earth's surface
•It is widely used as a building material because of its durability

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