Pyrolusite var. Polianite
SOLD
Pyrolusite var. Polianite
- Sold
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- Availability
- Sold
- Size
- 5.5 x 3 x 3.5 cm - Sm Cabinet
- Formula
- MnO2 (RRUFF)
- Locality
- near Ilfracombe, North Devon, Devon, England
An older specimen with a Barstow label (see prov. tab) coined "Polianite" - some sort of weird pseudomorph of Manganite.
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
- Mineralpedia
- View Pyrolusite
- On Dakota Matrix
- Previously Sold Pyrolusite
- On Dakota Matrix
- Other Available Pyrolusite
- WebMineral
- View Pyrolusite
- Mindat
- View Pyrolusite
