Home > Kalahari Manganese Field – March 18 > MS0903 Jacobsite


Jacobsite is a iron-manganese spinel group mineral originally found at and named after Jakobsberg in Sweden (Damour, 1869). This specimen came from a recent find debuted at the Tucson Show in 2013, but probably produced in 2012. The minerals forms brilliant black octahedra to 3 mm with calcite.

Price: $300

Item code: MS0903

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Jacobsite Jacobsite