Stibnite

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The Antimony Mine, located 2 km north of Stadtschlaining in Austria, began operations in the 1700s, exploiting Stibnite-bearing hydrothermal veins of Tertiary age. The mine produced a good variety of mineral specimens and amongst these was some wonderful Stibnite formed from intergrown, good-sized crystals. This superb old-time specimen is composed entirely of interlocked Stibnite crystals, many to over 2.5 cm long and with asymmetric Roman sword-style terminations. The crystals are striated parallel to their length, with some displaying bow-tie habits, curved blades and sudden changes in growth direction, all habits occasionally observed in Stibnite. The crystals are blue-steel grey with a delectate pale blue and bronze iridescence and a sub-metallic lustre. A magnificent Austrian Stibnite from Stadtschlaining.