Pink cobalt and nickel-bearing köttigite acicular crystals in a vein of sulphides – sphalerite, chalcopyrite, pyrite, and arsenopyrite. Width of view 6mm. Stack of 35 images.
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Pink cobalt and nickel-bearing köttigite acicular crystals in a vein of sulphides – sphalerite, chalcopyrite, pyrite, and arsenopyrite. Width of view 6mm. Stack of 35 images.
Click on the image below for a higher resolution version.