Calcite : CaCO3
As recorded:
Staropodolsky Quarry, Podolsk Urban District, Moscow Oblast, Russia
Photo added to mindat.org
“Calcite crust from karst in dolomitised limestones of Carboniferous age, consisting of earlier greyish to white calcite and later greenish Ni-bearing calcite; ex V. I. Stepanov (1988). FOV is ~10.9 cm. Fersman Mineralogical Museum, Moscow, cat. no. M-31149.
Photo: Paolo Bosio.”
Paolo Bosio - 27th November 2019
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