Get Rock Hound Pro Free
Available on Android. The expert rock and mineral field guide that fits in your pocket.
Rock Hound Pro is the essential field guide for collectors, geology students, and mineral enthusiasts. Identify hundreds of rocks, minerals, and gemstones with confidence.
📲 Download Free See FeaturesComprehensive coverage for every type of collector
From roadcut to riverbed — always know what you're holding
Identify by hardness, luster, color, streak, cleavage, and specific gravity. Use the property-based filter to narrow down any specimen quickly.
Understand how each rock or mineral formed, where it's commonly found, and its economic or gemological significance.
Know which specimens are common in your area of North America. Plan collecting trips to the right formations and locations.
Works in the field without internet. All reference data is stored locally so you can identify finds anywhere you collect.
Be among the first beta testers — get early access and help shape the app before public launch.
Available on Android. The expert rock and mineral field guide that fits in your pocket.