- Home About RM Minerals
- Virtual Photo Museum Blog RM Contact
- Microscopy and instruments How to Buy Disclaimer
Copyright 2010-2026
www.rosellminerals.com
A rich cluster of magnesioferrite crystals, intensely black with a metallic luster, exhibiting octahedral forms and rounded edges. They are accompanied on the calcite/dolomite matrix by litharge, which appears as an orange to reddish microcrystalline powder. This mineral, which forms a series with magnetite, is strongly magnetic.