What rock is this?

Take a photo, get the three most likely matches with an honest confidence level, then check it yourself with simple tests you can do at home.

How it works

• Photo match, honestly scoredAn AI model compares your photo against our list of rocks, minerals and crystals and suggests up to three matches. When it isn't sure, it says so and shows its best guesses.
• Check with real testsA step-by-step guide to streak, scratch, magnet and other simple tests helps narrow the answer using physical properties, not just looks.
• Every fact has a sourceDescriptions and properties come from our own reference list, and each entry shows where its data came from.
• Is it a meteorite?Five quick checks that help spot the usual look-alikes and tell you when a find may be worth showing to a specialist.
• Your collection, on your phoneCatalogue your finds with numbers and notes. Your collection stays on your device.

Private by design

No account. No ads. No tracking. Photos are used only to identify your specimen, and our server deletes them right after; location data is stripped before upload. Read the privacy policy.

What it isn't

Hand Lens gives a best guess from a photo, which can be wrong. It is not an appraisal, and it can't tell you whether something is safe to handle, eat, or sell. For anything that matters, ask a specialist.