RockHound
Professional Rock Identification App
Take the power of field geology anywhere with our comprehensive rock identification app, designed by geologists for geologists.
Download RockHound
Available for iOS and Android devices
🌐 Web App Features
- ✓ Install directly from your browser
- ✓ Works offline for field geology
- ✓ No app store required
- ✓ Automatic updates
- ✓ Cross-platform compatibility
Beta Testing: Join our beta program to test the latest features and help shape the future of digital field geology tools.
Request Beta Access →Professional Field Geology Tools
Rock Identification Engine
Uses standard geological testing methods including Mohs hardness scale, acid reaction tests, and visual characteristics for accurate field identification.
GPS Location Logging
Record exact coordinates of your discoveries for mapping and future reference. Perfect for geological surveys and research projects.
Offline Capability
Complete database works without internet connection - essential for remote field locations where cell service is unavailable.
Educational Integration
Each rock links directly to detailed pages on Geology Field Guide for comprehensive learning about formation processes and geological context.
Sierra Nevada Focus
Specialized database covering 40+ rock types commonly found in the Sierra Nevada region, from granite plutons to metamorphic complexes.
Professional Tools
Digital versions of field geology instruments including hand lens simulation, hardness testing guide, and mineral streak analysis.
How RockHound Works
Find a Rock
Discover an interesting rock specimen during your field work or hiking adventures.
Test & Observe
Use the app's guided testing procedures to check hardness, color, texture, and other diagnostic features.
Get Identification
Receive a professional identification with confidence level and geological formation information.
Learn More
Tap to learn detailed geological information about your rock's formation, composition, and significance.
What Geologists Are Saying
"Finally, a rock identification app that uses real geological principles instead of just photos. The offline capability is perfect for field work."
- Dr. Sarah Martinez, Field Geologist"RockHound has become an essential tool for our undergraduate field courses. Students love the interactive testing procedures."
- Prof. James Chen, University Geology Dept."The integration with Geology Field Guide makes this more than just an app - it's a complete learning system."
- Maria Rodriguez, Rock Hound EnthusiastContinue Learning
Explore our comprehensive rock and mineral database on Geology Field Guide
← Back to Geology Field Guide Browse Rock Collection →