Specimens of Barite with Oligist.
Origin: La Unión, Murcia (Spain)
Size: approx. 5–19 cm
Lot weighing approx. 4.9 kg
Barite with oligist is a mineral combination of great aesthetic value, notable for the contrast between the white or translucent tabular crystals of barite and the metallic lustre of oligist (hematite). This association crystallises in hydrothermal environments, producing unique specimens with a hardness of 3 to 3.5 and the high density characteristic of barium sulphate. It is an essential specimen for advanced collectors due to its geometric elegance and its geological significance as an indicator of metal deposits.
