A free program for Android, by Negroni.

With Rock Identifier by Photo, you can find out the name of any rock, gemstone, or mineral in your collection. Simply take a photo of it with your smartphone or upload an image from your gallery, and you’ll get a name for it in seconds!

This app will help you identify and learn about any crystals, rocks, or gemstones you find. It’s also great for people who want to create their own collection or for people who are just curious about what some of the stones and minerals look like.

You can also save all your favorite geological observations in the app’s rock collection area.

The Rock Identifier app allows you to take a photo of any crystals or gemstones and get an instant accurate identification.