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Calcite scalenohedrons on barite. The general shape is...
Small calcite scalenohedrons on barite. 5,6 x 4,2 x 2,5 cm.
Barite pompons, naturally colored by iron oxides, on shiny...
Barite pompons, naturally colored by iron oxides, on brilliant...
Floating plate of quartz crystallized along ridges showing no...