Thumbnail, 2.2 x 2.2 x 2.0 cm
Raddusa, Catania Province, Sicily, Italy

Hauerite is a rare manganese sulfide that crystallizes in the cubic system, often producing superb modified octahedrons with cube faces. This relatively large crystal exhibits a matte luster and a chocolate brown color. This is from the best of species locality (a single historic find of the mid 1800s).

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