AI-powered field geology

Identify any rockfrom a photo.

Snap a photo of any rock, mineral, gem, or crystal — Rock Identifier names it in seconds and explains how it formed, what it’s made of, and where it came from.

No download? Try the free online identifier

4.7on the App Store

Rock Identifier app showing an identified specimen

Live from the field

Recent identifications

A rolling collection of rocks, minerals, and gems just identified by the Rock Identifier community.

Browse all

Icy Jadeite (Jade Bangle)

Jadeite, NaAlSi2O6 (Pyroxene group)

gemstone

Light-colored quartz-rich rock (possibly quartzite)

Quartzite, composed predominantly of quartz (SiO₂)

metamorphic

Translucent jade bangle

Likely jadeite (NaAlSi₂O₆) or nephrite (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂); the image alone cannot distinguish them.

gemstone

Weathered conglomerate

Polymictic clast-supported conglomerate, with a sandy or finer-grained matrix

sedimentary

Translucent pale-green bangle, likely jade

Possibly jadeite (NaAlSi₂O₆) or nephrite (a tremolite–actinolite amphibole); the image alone cannot distinguish them reliably

gemstone

Jadeite (Icy Jade Bangle)

Jadeite, NaAlSi2O6

gemstone

Jadeite (Ice Jade)

Jadeite (NaAlSi2O6)

gemstone

Clear quartz bangle

Quartz (silicon dioxide, SiO₂)

gemstone

Peridot ring

Gem-quality olivine, typically forsterite–fayalite solid solution ((Mg,Fe)₂SiO₄)

gemstone

Polished brecciated jasper pendant

Silica-rich jasper (microcrystalline quartz, SiO₂), brecciated and cemented by silica or iron-rich material

sedimentary

Rounded gray-green pebble, likely quartz-rich metamorphic rock

Possibly quartzite or quartz-rich schist; identification is uncertain from the photograph

metamorphic

Flint (chert) nodule

Microcrystalline quartz (SiO₂), occurring as a flint/chert nodule in limestone

sedimentary

What you get

A pocket geologist, always with you

Identify a rock, then explore everything about it — properties, formation, and your own notes — all in one app.

Photo identification

Point your camera at any rock and get an answer in seconds — no field guide, no guesswork.

Properties & classification

Common name, scientific name, physical properties, and category — the data a geologist would write in a field notebook.

Formation & history

Trace each specimen back through time: how it formed, when, and which geological forces shaped it.

Field notes

Add your own notes to any identification — conditions, observations, or anything you want to remember.

Personal collection

Build a private cabinet of every rock you’ve identified, with your own notes attached.

Community gallery

Browse rocks identified by other rockhounds — and share your own discoveries publicly or keep them private.

How it works

From photo to rock identification in seconds

Step 01
Take a photo
Capture the specimen in natural light. A clear shot of texture and color is all the AI needs.
Step 02
AI does the geology
Our model reads mineral, texture, and color signatures to identify what you’re looking at.
Step 03
Read the report
Get name, classification, formation, uses, and field notes — written like a real field guide.