Rock Identifier: Rock Hound

Rock Hound is an offline rock identifier and mineral field guide for rockhounds — identify rocks, stones, crystals, minerals, and gemstones with no internet and no sign-up. Every entry is expert-curated with real field-identification data, not AI guesswork. WHAT'S INSIDE • Rock identifier — identify rocks by photo and physical traits • Stone identifier, crystal identifier, mineral identifier & gem identifier in one app • Rock scanner — scan and match stones, crystals, and gemstones instantly • Mohs hardness scale, streak test, and luster data for every specimen • Rockhounding field guide — geology toolkit built for the trail • Rock collection tracker — log your finds and build your collection BUILT FOR ROCKHOUNDS Collectors, hikers, gem hunters, and geology enthusiasts across North America use Rock Hound as their offline geology companion. Found a sparkling crystal in a creek bed or a strange stone on the trail? Asking "what rock is this?" — Rock Hound gives you the answer and the reasoning, with Mohs, streak, and crystal data to confirm it yourself. 100% OFFLINE, NO AI GUESSWORK No internet required. No account. No subscription walls between you and an answer — just open the app and start identifying. Real expert-curated mineral data, not AI photo guesses. Download Rock Hound — the rock identifier and rockhounding field guide you'll actually use.