$900.00 €807 £680.00 approx. This specimen is priced in US dollars, all other prices are approximate.
A lustrous specimen of Calcite included by minute hair-like crystals of metallic black Boulangerite. The Calcite formed into a swell of crystals, from the Herja Mine, Romania. The specimen depicts a black heart-shaped aspect to it over a previous formation of lighter grey Calcite crystals of similar habit.