Mineralpedia Details for Plattnerite
Plattnerite
Named for Carl Friedrich Plattner, who was a Professor of Metallurgy and Assaying at the Mining Academy in Freiberg, Germany. Plattnerite can be found in weathered metal deposits of hydrothermal origin that have been oxidized in arid climates, typically. Localities include Scotland, Iran, Namibia, the United States, and Mexico, among other minor localities.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/plattnerite.pdf
- Formula
- PbO2
- Crystal System
- Tetragonal
- Crystal Habit
- Massive, Encrustations, needle-like millimeter size crystals
- Cleavage
- None, None, None
- Luster
- Sub Metallic
- Color
- brownish black, iron black, black
- Streak
- chestnut brown
- Class
- Tetragonal - Ditetragonal Dipyramidal
- Fracture
- Brittle
- Hardness
- 5.5
- WebMineral
- View Plattnerite
- Mindat
- View Plattnerite
Plattnerite from Mina Ojuela, Mapimi, Durango, Mexico
Acicular black, shiny, Plattnerite coating Aurichalcite and Mimetite. Crystals to less than 1mm.
Click thumbnail images for larger view.
