How do I identify a rock from a photo?

Use Lithos: tap Identify, take or upload a photo of your rock or mineral, and our AI identifies it in seconds. You get the species name, scientific name, rarity score, hardness, and other geological properties—free, no app download.

Is there a free app to identify rocks?

Yes. Lithos is a free rock identifier that works in your browser—no app download required. Take a photo of any rock, mineral, or crystal and get instant identification. You can also build a collection and trade with other collectors.

What is the best free rock identifier?

Lithos is a free AI rock and mineral identifier. You take or upload a photo and get an instant ID with name, rarity, and geological details. It works in the browser on phone or desktop, with no sign-up required to try.

Can I identify crystals from a picture?

Yes. Lithos identifies crystals, minerals, and rocks from a single photo. Upload or take a picture and the AI returns the most likely species name, type (e.g. mineral, crystal), and properties like hardness and luster.

Can I trade rocks with other collectors?

Yes. Lithos has a built-in marketplace where you can propose trades with collectors worldwide. A reputation system helps keep exchanges safe and trustworthy.

Is Lithos free to use?

Yes. Lithos is free to use. Core features include AI rock and mineral identification, collection management, and trading. No app download—it runs in your web browser.

Free Rock Identifier – Identify Rocks & Minerals from Photo with AI

Identify rocks and minerals from a photo with AI. Free rock identifier: instant ID, rarity, and geological details. Build your collection and trade with collectors worldwide.

Features

Identify rocks from photo - Take a picture and get instant AI rock/mineral identification
Collection Management - Organize your specimens with detailed metadata
Social Trading - Trade specimens with collectors around the world
Expert Verification - Get your identifications verified by the community
Location Tracking - Record where you found each specimen

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