Cobaltite
Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland County, Sweden
6.2 x 3.7 x 3.5 cm. This specimen has a LOT going for it. Firstly, it is a huge, sharp crystal to still remain on matrix - and it is solidly anchored to matrix. It is 2 cm tall, a little narrower and complete ALL AROUND 360 degrees. It has great lustre and sharp pyritohedral form. Overall, it’s a very pretty matrix cobaltite, given the stark ...
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