Pyrolusite
SOLD
Pyrolusite
- Sold
- Add to Favorites
- Availability
- Sold
- Size
- 3 x 6 x 3 cm - Sm Cabinet
- Formula
- MnO2 (RRUFF)
- Locality
- Montreal mine, Iron Co., Wisconsin, United States
This piece is composed nearly entirely of black submetallic Pyrolusite with thin blades with deep striations on the front and backsides.
Pyrolusite
- Formula
- MnO2
- Crystal System
- Tetragonal
- Crystal Habit
- Reniform, Dendritic, Earthy
- Cleavage
- Perfect, None, None
- Luster
- Sub Metallic
- Color
- steel gray, iron gray, bluish gray
- Streak
- black
- Class
- Tetragonal - Ditetragonal Dipyramidal
- Fracture
- Brittle
- Hardness
- 6-6.5
Data courtesy of Webmineral.
- Collection
- Phillips Collection
Garske label
- Mineralpedia
- View Pyrolusite
- On Dakota Matrix
- Previously Sold Pyrolusite
- On Dakota Matrix
- Other Available Pyrolusite
- WebMineral
- View Pyrolusite
- Mindat
- View Pyrolusite
