Any Rock Identifier identifies rocks, crystals, gems, minerals, and fossils from a photo — and, unusually for this category, tells you when it is not sure instead of guessing.
That honesty is the design decision the tool is built around. Every result carries a real confidence score; when the AI is uncertain it says so and offers look-alike alternatives rather than picking one and committing. It also suggests diagnostic tests you can run yourself — streak, hardness, magnetism, acid fizz — so you can confirm the identification rather than take it on faith.
A field guide covering 134 stones sits alongside the identifier, with look-alike comparison guides and how-to articles on identification methods.
Key Features
- Photo identification — Rocks, crystals, gems, minerals, and fossils.
- Honest confidence scoring — The tool declines to bluff when it is unsure.
- Look-alike alternatives — Offered when a specimen is ambiguous.
- Suggested field tests — Streak, hardness, magnetism, and acid fizz.
- 134-stone field guide — With look-alike comparison guides.
- Free to start — Works in the browser.
Pricing
Free tier gives 3 identifications. Pro gives 100 identifications per day (600 per month) plus value estimates, authenticity checks, care guides, and downloadable reports.
Who It’s For
Rockhounds, collectors, geology students, and anyone who picked up a stone and wants to know what it actually is — with a result they can verify rather than blindly trust.
How It Works
- Upload a clear, well-lit close-up photo against a plain background.
- Get an identification with a confidence level and alternatives.
- Confirm it with the suggested at-home tests.
On accuracy, the site reports a recent test of 76 specimens in which every identification labelled “Confident” was correct — all 22 of them. Note that the tool deliberately does not identify mushrooms, plants, or wildlife, for safety reasons.