What is Rock Identifier.io?

Rock Identifier is a photo-based identification tool for rocks, minerals, crystals, gemstones, fossils, and stones. It analyzes visible features such as texture, luster, grain size, and crystal habit to provide a likely identification, Mohs hardness clues, and a rough value range. Available as a web tool and as the AI Rock ID app for iPhone and Android.

How to use Rock Identifier.io?

Upload a clear, well-lit photo of the rock specimen to the web tool or app. The AI analyzes the image and returns a ranked identification with supporting traits. For best results, use natural lighting, ensure the rock fills most of the frame, and take multiple angles. Confirm the result with simple field tests like hardness, streak, or acid if needed.

Core features of Rock Identifier.io

Photo-based rock identification
Mohs hardness clues and mineral properties
Rough value range estimates
Focused scanners for crystals, minerals, stones, gemstones, fossils, and diamonds
Privacy-friendly photo processing
Saved collections and unlimited scans in the mobile app
Available on web, iPhone, iPad, and Android