Mineralpedia Details for Todorokite
Todorokite
- Formula
- (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12ยท3-4H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Nodular, Reniform, Aggregates
- Cleavage
- Perfect, Perfect, None
- Luster
- Metallic - Dull
- Color
- brownish black, gray, grayish black, dark brown, black
- Streak
- dark brown
- Class
- Monoclinic - Prismatic
- Hardness
- 1.5
- WebMineral
- View Todorokite
- Mindat
- View Todorokite
Todorokite from N'Chwaning II mine, Kalahari Mn fields, Northern Cape Province, South Africa
Crazy-looking fibrous Todorokite attached to Rhodochrosite.
Click thumbnail images for larger view.