Hausmannite
SOLD
Hausmannite
- Sold
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- Availability
- Sold
- Size
- 5 x 4 x 3.5 cm - Miniature
- Formula
- Mn2+Mn3+2O4 (RRUFF)
- Locality
- Northumberland, England
Mass of dull steel gray Mn oxide with Calcite. Note number on specimen matches label number.
Gregory, Bottley & Co. succeeded the Gregory Mineral companies in 1931 after Percy Bottley took over the company. This label and the others in the daily five gallery are dated about 1950's or 60's? This information comes from the Mineraolgical Record label archive. The company survives today and is known as Gregory, Bottley & Lloyd, the second longest running mineral dealership.
Hausmannite
- Formula
- Mn2+Mn3+2O4
- Crystal System
- Tetragonal
- Crystal Habit
- Massive - Granular, Pseudo Octohedral
- Cleavage
- Perfect, None, None
- Luster
- Sub Metallic
- Color
- brownish black, grayish
- Streak
- dark reddish brown
- Class
- Tetragonal - Ditetragonal Dipyramidal
- Fracture
- Uneven
- Hardness
- 5.5
Data courtesy of Webmineral.
- Mineralpedia
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- On Dakota Matrix
- Previously Sold Hausmannite
- On Dakota Matrix
- Other Available Hausmannite
- WebMineral
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- Mindat
- View Hausmannite
