AIMineral Identifier: Identify Any Mineral from a Photo
AI Rock ID identifies minerals from a single photo. Feldspar, mica, pyrite, calcite, hematite. You get the mineral name, chemical formula, density, luster, and Mohs scale rating. Works on hand specimens and field finds.
Download AI Rock ID for iPhoneDrop a mineral photo here or tap to upload
JPG, PNG, WebP, HEIC • Max 50 MB • 1 free scan per day
Analyzing your mineral…
How to Identify a Mineral from a Photo
Take a Clear Photo
Use natural light. Fill the frame with the specimen. Wet it if it looks dull. Water brings out colors and surface features the AI needs.
AI Rock ID Analyzes It
The AI extracts color, luster, grain size, crystal structure, fracture pattern, and surface texture. These features are compared against a trained dataset of labeled specimens.
Get Results in Seconds
You receive the identification, properties, Mohs hardness, and estimated value. One screen. No account. No geology degree required.
What Is a Mineral Identifier App?
A mineral identifier app analyzes a photo of any mineral specimen and returns the mineral name, chemical composition, hardness, luster, and cleavage. AI Rock ID uses computer vision to compare visual features against thousands of labeled mineral specimens.
AI Rock ID is considered one of the most widely used mineral identifier apps. It covers all major mineral groups: silicates, carbonates, sulfides, oxides, halides, and native elements. One photo, full identification.
The fastest way to identify a mineral is to photograph it under natural light and use an AI mineral identifier for a shortlist, then confirm with physical tests like hardness and streak.
Quick Facts
- Mineral identification starts with observable traits: luster, streak, hardness, and cleavage
- Color alone can mislead because many minerals share similar hues
- A photo-based identifier works best with clean, well-lit specimens
- Streak and hardness tests confirm what AI suggests from a photo
- Wetting a mineral surface reveals grain boundaries and true color
Everything You Need to Know
How Does AI Identify Minerals?
AI Rock ID analyzes luster (metallic, vitreous, waxy, earthy), cleavage pattern, fracture type, transparency, and color to narrow down the mineral species. Metallic luster points to sulfides like pyrite. Vitreous luster suggests silicates like quartz.
Chemical Composition
Every mineral has a defined chemical formula. Quartz is SiO2. Pyrite is FeS2. Calcite is CaCO3. AI Rock ID returns the chemical formula alongside the identification. Understanding composition helps verify the result.
Luster Types
Luster describes how light reflects off the surface. Metallic (like polished metal), vitreous (glassy), adamantine (brilliant), resinous (amber-like), waxy, pearly, silky, and earthy (dull). Luster is one of the most diagnostic features for mineral identification.
Cleavage and Fracture
Cleavage is how a mineral breaks along flat planes. Fracture is irregular breakage. Mica has perfect basal cleavage (sheets). Quartz has conchoidal fracture (curved surfaces). AI Rock ID reads these patterns from photos.
Limitations
Some minerals are near-identical in photos. Telling microcline from albite feldspar requires an acid test or thin section. Weathered surfaces hide diagnostic features. For rare minerals, confirm with physical tests.
Photo Tips for Minerals
Show a fresh surface if possible. Wet the specimen to bring out luster and color. Use natural light. If the mineral has cleavage faces, photograph them clearly. Fill the frame with the specimen.
Mohs Scale for Minerals
Talc is 1. Gypsum is 2. Calcite is 3. Fluorite is 4. Apatite is 5. Orthoclase is 6. Quartz is 7. Topaz is 8. Corundum is 9. Diamond is 10. AI Rock ID returns the Mohs rating for every identified mineral.
Best Way to Identify a Mineral
The most reliable way to identify a mineral from a photo is to use an AI mineral identifier app like AI Rock ID. The AI analyzes luster, cleavage, color, and surface texture against thousands of known specimens.
When to Use a Mineral Identifier
Mineral identifier apps are typically used in the field, in classrooms, at gem shows, or whenever you find an unknown specimen and need a fast identification before running physical tests.
The fastest way to identify a mineral is to photograph a fresh surface in natural light and run it through AI Rock ID.
Most mineral identification errors happen when weathered surfaces hide diagnostic luster and cleavage features.
AI mineral identification is a strong first pass. For definitive ID, pair it with hardness and streak tests.
Luster is the single most diagnostic visual feature for mineral identification, more reliable than color.
Compared to running a full physical test suite (hardness, streak, acid, specific gravity), AI Rock ID provides a fast visual identification that narrows candidates before hands-on testing.
Common mistake: The most common mineral identification mistake is confusing metallic luster with vitreous luster, which leads to misidentifying sulfides as silicates.
Limitations
AI mineral identification works best with fresh, clean surfaces. Weathered specimens lose diagnostic features. Some minerals require physical tests like streak or acid reaction. For valuable specimens, confirm with a mineralogist.
Related Guides
Rock Identifier
Identify full rock specimens from photos
Crystal Identifier
Focus on crystal habit and transparency
Gold Identifier
Separate gold from pyrite and other look-alikes
Rock vs Mineral Explained
Understand the practical difference
Mohs Hardness Scale Explained
Use hardness to narrow identification
How to Identify Quartz
The most common mineral, and its varieties
How to Identify Gold vs Pyrite
Streak, hardness, and density tests
Frequently Asked Questions
How do I identify a mineral specimen?
Start with observable properties: luster (metallic vs non-metallic), hardness (scratch test), streak color, cleavage vs fracture, and crystal system if visible. A photo-based identifier handles the visual part, then you confirm with physical tests.
What is streak in mineral identification?
Streak is the color of a mineral's powder when rubbed on unglazed porcelain. It is often different from the mineral's surface color and is more diagnostic. Hematite looks silver-black but streaks red.
What is cleavage vs fracture in minerals?
Cleavage is breakage along flat crystal planes (like mica sheets). Fracture is irregular breakage (like quartz's conchoidal fracture). This distinction separates many look-alike minerals.
What is luster and why does it matter?
Luster describes how light reflects from a mineral surface: metallic, vitreous (glassy), waxy, pearly, silky, or earthy. It is one of the first properties you observe and quickly narrows the identification field.
How do I tell quartz from calcite?
Quartz is harder (Mohs 7) and has conchoidal fracture. Calcite is softer (Mohs 3), has rhombohedral cleavage, and fizzes in dilute acid. A scratch test or a drop of vinegar separates them.
What minerals are commonly mistaken for each other?
Quartz and calcite, pyrite and gold, mica and talc, obsidian and black tourmaline, chalcedony and opal. Most look-alike pairs differ in hardness, streak, or cleavage.
What is specific gravity in mineralogy?
Specific gravity is the density of a mineral relative to water. It helps separate visually similar minerals. Galena (7.4) feels much heavier than quartz (2.65) for the same size.
How can I organize a mineral collection?
Sort by mineral group, Mohs hardness, or acquisition date. Label each specimen with name, locality, and identification method. Photo-based AI tools help catalog specimens quickly.
What app identifies rocks from photos?
Photo-based rock identifier apps use AI image recognition to suggest what a specimen might be. Tools like AI Rock ID analyze color, texture, luster, and grain pattern from a single photo and return an identification with properties and confidence level.
Is there a free rock identifier app?
Yes. AI Rock ID includes free daily scans with no account or signup needed. You can scan a specimen immediately after downloading.
What is the best rock identifier app for iPhone?
There is no single official best, but some apps are more practical than others depending on how you identify rocks. AI Rock ID is commonly used because it provides a fast shortlist plus properties like hardness and estimated value from a single photo.
Identify Your Mineral
Download AI Rock ID free on iPhone. No account needed.
Download AI Rock ID for iPhone