Identify rocks, crystals, gems, minerals and fossils from a photo with AI and field tests to confirm
AI collage maker that combines hundreds of your photos into one high-resolution picture
Stage
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Founded
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Pricing model
Freemium
Freemium
Pricing
Free plan: 3 identifications in total. Pro Weekly: $4.99/wk. Pro Monthly: $14.99/mo. Pro Yearly: $49.99/yr (about $4.17/mo).
Free preview with watermark. HD download: $9.95 (1 credit). Credit packs: 5 for $39.85, 10 for $67.75, 20 for $99.55. Wall mural printing from $164. Advanced support from $29 per session. Video production from $290 (4K) to $690 (8K).
Key features
Confidence score on every identification from 0 to 100
At-home field tests to confirm identifications (streak, hardness, magnetism, vinegar)
Lists alternative identifications when a specimen is ambiguous
134 field-guide entries with formation, properties, look-alikes and value information
10 look-alike guides covering common confusions like pyrite vs gold
Typical value range for Pro users (guide only, not an appraisal)
Signs of fakes, dyes and treatments for Pro users
Care and cleaning guide for Pro users
Full geological report and PDF export for Pro users
Saved collection feature for Pro users
Faces stay whole during cropping
Colors matched spot by spot
Star favorites to make them larger
No photo repeats until all used once
Multiple style options
Free watermarked preview
HD file for printing up to 25,000 px
API and MCP server integration
4K assembly video generation
Online interactive viewer with comments
What makes it different
Honest confidence scoring instead of false certainty
Tested accuracy results published openly including failures
No ads or affiliate links; funded by Pro subscriptions only
Every piece is your own photo—nothing is generated
Intelligent face detection keeps faces whole in the frame
Works with AI assistants like Claude via MCP and API
Supports thousands of photos with smart repetition management
Any Rock Identifier
Collager.ai