Magnetite on Halite - Balmat, USA - 7 x 5 x 5.5 cm / main crystal: 2.8 cm.
Mineral: Magnetite on Halite
Locality: Balmat, Balmat-Edwards Zinc District, St. Lawrence County, New York, USA
Dimensions: 7 x 5 x 5.5 cm / main crystal: 2.8 cm.

Description: Mass: 132 g MIM number: 1394 Intact, lustrous black cubic crystal showing the faces of a tetrahexahedron, topped by a small cubic crystal and on a white matrix sprinkled with small white halite and magnetite crystals. Photographer: AINU / Alessandro Clemenza;