How to identify Unidentified Rock
Unidentified Rock
Got a photo? Identify rocks instantly with the Rockby app
Open the appTo correctly identify Unidentified Rock (Unidentified Rock), check each of these features in order. Many rocks and minerals look alike, so cross-reference multiple properties before deciding.
Step-by-step identification
- 1
Color
Overall color and any zoning or banding
Variable
- 2
Luster
How the surface reflects light: metallic, vitreous, dull
Variable
- 3
Texture
Grain size and surface feel: coarse, fine, glassy
Variable
- 4
Crystal Form
Shape of visible crystals or crystal faces
Variable
- 5
Cleavage
How it breaks: flat cleavage planes vs irregular fracture
Variable
- 6
Geological Environment
The rock formation and setting where it occurs
Variable
Key Facts
- Hardness
- Unknown
- Specific Gravity
- Unknown
- Crystal System
- Unknown
- Color
- Variable
- Luster
- Variable
- Transparency
- Variable
- Fracture
- Variable
- Cleavage
- Variable
- Composition
- Unknown
Physical characteristics
- Crystal Habit: Unknown
- Cleavage Type: Unknown
- Fracture Type: Unknown
- Tenacity: Unknown
- Luster Type: Unknown
Explore Unidentified Rock
Identify rocks anywhere
Free on iOS, Android, and Web. Photo identification, full database, and your personal collection.