Iron-black shiny magnetite OKTAEDER on quartzPORPHYR.
Detailed description at Art. AA045 – MINERALS FROM AMERICA
Location: POTOSI – BOLIVIA
Weight: 840 g Dimensions: 15 x 8 x 5 cm
The magnetite crystals are all shiny, but in the photos only those whose faces were at the right ‘angle’ to the camera. Sorry – unfortunately these photos did not turn out well, so the step looks better in reality.