Rock ID: Gem & Crystal Scan

Identify rocks, minerals, gems, and crystals from a photo, read rich profiles, and organize your collection.

Spotted a mysterious stone on a hike? Point your camera, get possible matches in seconds, then explore the geology behind every rock, mineral, crystal and gemstone.

It turns your phone into a pocket field companion for rockhounds, students and curious collectors.

• Snap a photo or import one to identify rocks, minerals, crystals and gemstones • Best-effort on-device matching ranks the closest specimens from a curated catalog • Detailed profiles: Mohs hardness, luster, streak, composition, formation and common uses • Save your finds to a personal collection with photos, notes and favorites • Search and filter across igneous, sedimentary, metamorphic, mineral, crystal and gemstone • Fully offline — identify and browse anywhere, no signal required

HOW IT WORKS

1. Take a photo or choose one from your library
2. Review ranked possible matches and open a full profile
3. Save the specimen to your collection to revisit anytime

A LEARNING COMPANION, NOT AN APPRAISAL Built for discovery and study. Identifications are best-effort suggestions to guide your learning — not a professional appraisal. Always confirm with an expert before any valuation or safety decision.

MEMBERSHIP Unlock unlimited identification with a subscription, offered weekly or yearly. Browsing the full catalog and building your collection are always free.

Download it and turn every trail into a treasure hunt.

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