Free Rock Identifier
Identify any rock instantly with our free online rock identifier. Powered by AI — completely free, no sign-up required.
About This Tool
Rocks are naturally occurring solid aggregates of one or more minerals or mineraloids. Our AI can identify hundreds of common and rare rocks from a single photo. Whether you found a strange stone on a hike or are studying geology, get instant, accurate identification.
📸 Tips for Best Results
- ✓Take the photo in natural lighting
- ✓Show a clean surface, wash off dirt if possible
- ✓Show a fresh break if available
- ✓Multiple angles improve accuracy
🧠 Interesting Facts
- •There are three main types of rocks: igneous, sedimentary, and metamorphic
- •The oldest known rocks on Earth are over 4 billion years old
- •Earth's crust is mostly made of oxygen and silicon
- •Pumice is the only rock that floats on water
Upload Photo
Select or take a photo of the stone
AI Analysis
Our AI analyses thousands of characteristics in seconds
Get Results
Receive stone identification with detailed information
Identify this rock now — completely free, no sign-up required.
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