StoneLens: Rock & Mineral ID
AI Gemstone & Crystal Scanner
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Snap a photo to identify any mineral, rock or gemstone. AI delivers Mohs hardness, crystal system, chemical formula & more. Build your personal specimen collection today!
Discover any mineral, rock, or gemstone in seconds. StoneLens uses advanced AI to identify specimens from a single photo and delivers professional-grade analysis right to your fingertips. Whether you are a geology student, rock collector, mineral enthusiast, or simply curious about a stone you found, StoneLens makes identification easy and educational.
KEY FEATURES
AI-Powered Identification
Take a photo with your camera or pick one from your gallery. StoneLens analyzes the specimen with AI and identifies it as a mineral, rock, or gemstone, complete with a confidence score so you know how reliable the result is.
Detailed Physical and Chemical Properties
Every identification includes comprehensive data:
- Mohs hardness scale
- Color and streak color
- Luster type and crystal system
- Cleavage and fracture
- Diaphaneity (transparency level)
- Chemical formula and primary elements
- Mineral group classification
Similar Species Comparison
View similar species side by side with your specimen. Understand the key differences and confirm your identification with greater confidence.
Personal Collection Management
Save identified specimens to your own digital collection. Track the status of each item as raw, polished, or processed. Mark favorites, add personal notes, and build your own mineral encyclopedia over time.
Identification History
Browse all your past identifications in one place. Filter by classification (minerals, rocks, or gemstones) to quickly find what you need.
Multiple Accuracy Modes
Choose between Fast, Standard, and High Accuracy modes to balance speed and precision based on your situation.
Share Results
Easily share identification results with friends and fellow collectors. Shared content includes the specimen name, confidence score, hardness, and chemical formula.
HOW IT WORKS
1. Photograph your specimen using the camera or select from your gallery
2. AI analyzes the image and identifies the mineral, rock, or gemstone
3. Review detailed physical and chemical properties
4. Save to your personal collection with optional notes
WHO IS STONELENS FOR?
- Geology students learning mineral identification
- Rock and mineral collectors managing their specimens
- Gemstone enthusiasts identifying new finds
- Field geologists needing quick reference
- Anyone curious about the stones and crystals around them
PRIVACY
All identification history and collection data are stored locally on your device. Your photos are sent to an AI server for analysis only, and personal information is never stored externally. You can delete all data at any time from the settings screen.
Start exploring the world of minerals, rocks, and gemstones today with StoneLens.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, akira kawata, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- akira kawata
- Size
- 28.8 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 akira kawata