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Dolomite, (after Calcite)


Mineral: Calcite, Dolomite
Size: 92 mm
Owner: Mariusz Oleszczuk
Photographer: Mariusz Oleszczuk

A very fragile, pale-green epimorph (or "cast") of dolomite (XRD confirmed) after what appear to have been sharp, scalenohedral crystals, presumably of calcite.

The cast is extremely light-weight for its size, and the very few broken tips reveal that it is completely hollow.

The colour of the dolomite is presumed to be due to copper in one form or another, although this has not been confirmed.