Mineralpedia Details for Ramsdellite
Ramsdellite
- Formula
- Mn4+O2
- Crystal System
- Orthorhombic
- Crystal Habit
- Massive - Fibrous, Granular, Platy
- Cleavage
- Good, None, None
- Luster
- Metallic
- Color
- iron black, black, steel gray
- Streak
- brownish black
- Class
- Orthorhombic - Dipyramidal
- Fracture
- Brittle
- Hardness
- 3
- WebMineral
- View Ramsdellite
- Mindat
- View Ramsdellite
Ramsdellite from Mistake mine, Yavapai Co., Arizona, United States
Shiny black stubby Ramsdellite crystals to 4mm with hackly terminations.
Click thumbnail images for larger view.
