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RM3787   Cobaltkieserite
Co(SO4)·H2O
  -  7. Sulfates, chromates, molybdates and wolframates

In this specimen, several surfaces are coated with pink layers corresponding to this rare cobalt sulfate. It comes from the classic Bastnäs mine, the type locality for the species.

Size: 6.7 x 4.2 x 3.5 cm.
Found in 2025.
Type Locality
Reserved
RM3785   Cobaltkieserite
Co(SO4)·H2O
  -  7. Sulfates, chromates, molybdates and wolframates

In this specimen, several surfaces are coated with pink layers corresponding to this rare cobalt sulfate. It comes from the classic Bastnäs mine, the type locality for the species.

Size: 6.7 x 4.2 x 3.5 cm.
Found in 2025.
Type Locality
Reserved