Katoptrite, Jacobsite, Calcite
Brattfors Mine, Nordmark Odal Field, Filipstad, Värmland County, Sweden
5.0 x 5.0 x 3.0 cm. This salt and peppered textured specimen is host to a modest amount of subhedral, prismatic, dark gray, metallic katoptrite to 1.5 mm associated with black, micro granular jacobsite and white to off-white calcite. It originates from the Brattfors mine, Nordmark, Filipstad, Varmland, Sweden, the type locality for the species. ...
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