RockID: Rock & Mineral ID
iOS app by SEDX LLC. Education · SEDX LLC
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.2
- Listing last refreshed
- 2026-09-09
View the original store listing
Store description excerpt
RockID is a rock and mineral identifier that works completely offline. Snap a photo of your specimen, or answer a few quick field tests, and RockID ranks the most likely matches from a library of 580+ rocks and minerals. No signal, no account, nothing uploaded. Found a mysterious stone on a hike, a beach, or in your backyard? A photo alone gets fooled by look alikes, so RockID also asks what a real field geologist would ask: how hard is it, what colour is its streak, does a magnet stick, does vinegar make it fizz. Answer as many or as few as you like, and the ranking sharpens as you go. When a photo is too unclear to call, RockID says so instead of guessing. WHAT YOU CAN TEST • Hardness, does a fingernail, coin, knife, or glass scratch it? (the Mohs scale) • Streak, the color of its powder on an unglazed tile • Luster, metallic, glassy, dull, pearly, greasy • How it breaks, cleavage planes vs. uneven fracture • Magnetism, does a magnet stick? • Acid fizz, does a drop of vinegar make it bubble? (carbonates) • Heft, does it feel unusually heavy? Answer as many or as few as you like, every test is optional, and the more you do, the sharper the match. Results rank live as you go, and common finds are favored so you're not led astray by rare look alikes. REFERENCE LIBRARY (PRO) Browse and learn every rock and mineral with detailed properties, formulas, where they form, common uses, and side by side tips for telling confusing pairs apart, pyrite vs. gold, calcite vs. quartz, and more. • 100% on device, works deep in the backcountry • No subscription, single unlock for the full field guide • Field test identification is always free. Photo ID and the full reference library unlock with a single purchase, never a subscription A learning and field companion tool. Always confirm anything valuable or potentially hazardous with a qualified geologist.
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