Locality: Machów Mine, Tarnobrzeg City Co., Subcarpathian Voivodeship, Poland
Size: 51 mm x 48 mm x 41 mm (2.0 in. x 1.9 in. x 1.6 in.)
Weight: 46 g (1.6 oz.)
Bright yellow sulphur to 5 mm on calcite. There are two small clusters of crystallized tan calcite topped by sulphur crystals. The calcite shows fluorescence under short and long wave UV light.