Black, ochtahedral Magnesioferrite crystals in a matrix of white Calcite. There are a large number of small crystals with a larger one which is mostly intact.
Condition: Fairly Good
Flaws: Of the two largest crystals, one is has a chipped corner and the other is only half present. Most of the smaller crystals are in good condition.
This mineral is also found in the following galleries: Minerals From Europe | Oxides and Hydroxides | Rare Minerals | Minerals Priced Between 25 and 49 Dollars