Arsenic trisulfide, As2S3, the mineral orpiment
arsenic | sulfide | Zinc sulfide | Cadmium sulfide | zinc cadmium sulfide | Volcanogenic massive sulfide ore deposit | volcanogenic massive sulfide ore deposit | Poly(p-phenylene sulfide) | Arsenic trisulfide | Arsenic |
The most considerable towns of the interior were Gangra – in ancient times the capital of the Paphlagonian kings, afterwards called Germanicopolis, situated near the frontier of Galatia – and Pompeiopolis, in the valley of the Amnias river, near extensive mines of the mineral called by Strabo sandarake (red arsenic or arsenic sulfide), largely exported from Sinope.