Rock Identifier: Crystal & Gem

Point your camera at a rock, crystal or fossil and find out what it is with AI. 130+ specimen field guide — Mohs hardness, formation, rarity & more. Try 5 scans free.

IDENTIFY ROCKS, CRYSTALS AND FOSSILS IN SECONDS

Rock Identifier: Crystal & Gem uses AI to identify rocks, crystals, gems, minerals and fossils from a single photo — with a full field report giving the scientific name, how it formed, how rare it is, and where similar specimens turn up.

Built for rockhounds, crystal collectors and curious explorers: your pocket helper for every hike, beach walk, or backyard dig.

Snap a photo and start with 5 free scans.

WHAT YOU CAN IDENTIFY • Rocks & stones — granite, basalt, obsidian, sandstone, shale • Crystals & gems — amethyst, quartz, tourmaline, fluorite, calcite, malachite • Minerals — pyrite, mica, gypsum, hematite and rarer specimens • Fossils — trilobites, ammonites, shark teeth, plant and trace fossils • Geodes & formations — agate, jasper, opal, druzy clusters

COMPLETE FIELD REPORTS • Scientific name and classification • Geological period or species origin • Where it is commonly found • Rarity rating and confidence score • Similar specimens to compare side by side • Care, cleaning and display tips

CRYSTAL & MINERAL DETAIL Chemical formula, Mohs hardness, crystal system and lustre, colour variations, storage and cleaning advice — plus the properties tradition attributes to the stone, as folklore.

BUILT-IN FIELD GUIDE Browse 130+ rocks, minerals, crystals and fossils without scanning anything: formation, hardness, rarity, collector value and care advice for each. Readable offline; scanning needs a connection.

REAL vs FAKE Side-by-side comparisons for the specimens most often faked: what to look for through a loupe, what a magnet tells you, and the price patterns that give a fake away. Included with a subscription, and open while your free scans last.

CRYSTALS, SIGNS AND BIRTHSTONES Stones by zodiac sign and by birth month, with the properties tradition attributes to them.

ARTICLES FOR COLLECTORS Starting a collection, what mineral hardness means, how to read a confidence score, and where crystal healing actually comes from.

YOUR COLLECTION Save finds with your own notes, photos and where you picked them up. Your collection stays on your device.

FREE TO TRY Five free scans, no time limit, no card required. No login, no email, no account to create.

SUBSCRIPTION PLANS • Yearly — best value: 35 scans a month, billed annually • Monthly: 30 scans a month • Weekly: 7 scans a week

A subscription continues your scanning. The field guide, the articles, and the zodiac and birthstone pages are free to everyone, subscribed or not. Prices are shown in the app before you buy. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends; manage them in Settings → App Store → Subscriptions.

BEFORE YOU RELY ON IT • Rock Identifier is for entertainment. Identifications and the written reference content are AI-generated and can be wrong. • Each photo costs one scan, including a photo that turns out not to show a specimen. • You are responsible for what you do with any specimen: collecting, handling or removing it. • Verify identifications against authoritative sources. Do not make health, medical, safety or legal decisions on these results alone. • Check local laws and protected species lists before collecting — restricted or prohibited in some places. • Never consume, handle or remove a specimen without expert confirmation and proper precautions. • Photos are processed by a third-party AI service. Do not send images containing people or personal information. • Some minerals contain lead, asbestos or antimony. Do not handle a specimen unless you are sure it is safe.

Rock Identifier is rated 16+ and is not intended for anyone younger.

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