Primo Rocks: Rock & Crystal ID

Tech Primo

Contains adsIn-app purchases

About this app

Ever picked up a stone and wondered what it was? Primo Rocks is your pocket geologist. Take one photo and the AI rock identifier names any rock, crystal, mineral, gemstone or fossil in seconds, then tells you its story, its estimated value and where in the world to find more.

IDENTIFY ANY ROCK IN SECONDS
Point your camera and the stone identifier gives you an instant answer with a confidence check, full physical properties and reference photos to compare. It works as a crystal identifier, gem identifier, mineral identifier and fossil identifier in one app.

KNOW WHAT IT IS WORTH
Every identification comes with an estimated market value, so you know if your find is a keeper.

EXPLORE A BEAUTIFUL CATALOG
Browse gemstones, minerals, rocks and fossils in a rich catalog with warm, story style descriptions written for curious minds.

• Locality maps: see where each specimen is found around the world
• Mohs hardness: scratch resistance and geology facts at a glance
• Lore and meaning: the myths, history and crystal meanings behind every stone
• Rock of the Day: a fresh specimen with a new story every morning

BUILD YOUR COLLECTION
Save your finds into folders, keep a wishlist of stones you want to hunt next and watch your rock collection grow.

PERFECT FOR
• Rockhounds and amateur geologists
• Crystal lovers curious about meanings
• Beachcombers, hikers and families with curious kids
• Fossil hunters
• Anyone holding a mystery stone right now

PRIVACY FIRST
No account needed. Your scans and collection stay on your device.

Download Primo Rocks and turn every walk into a treasure hunt.

What’s new

- Identify any rock, crystal or fossil
- See its estimated value, hardness and story
- Save your finds to a collection