#1 Rock Identifier & Rockhounding Map

Ruby Glint uses advanced AI and machine learning algorithms trained on thousands of rock and mineral specimens. Our identification accuracy is over 90% for common rocks and minerals. For best results, take clear, well-lit photos showing the rock's key characteristics like color, texture, and crystal structure.

Yes! Ruby Glint offers free rock identification with basic features. You can identify rocks, access our learning center, and browse the gemstone marketplace at no cost. Premium features include unlimited identifications, detailed geological reports, and advanced collection management tools.

Absolutely! Our integrated marketplace allows you to list your gemstones, minerals, and rock specimens for sale. You can upload photos, set prices, and connect directly with buyers worldwide. We provide tools to help you create professional listings.

Ruby Glint can identify over 6,000 types of rocks, minerals, crystals, and gemstones including common specimens like quartz, granite, and limestone, as well as rare minerals and precious gemstones. The app works with igneous, sedimentary, and metamorphic rocks, plus minerals and crystals of all types.

Use our interactive Rockhounding Map to discover collecting sites near you. The map shows mineral localities, geological formations, and collecting areas with details about what rocks and minerals can be found there. You can filter by location, rock type, and difficulty level to plan your next rockhounding adventure.

We work hard to ensure authenticity in our marketplace. Sellers are encouraged to provide certificates and detailed information about their specimens. However, we recommend buyers use their own expertise and, for expensive purchases, consider independent verification. Our community reporting system helps maintain quality standards.