Uncategorized

Day 202 : Cinnabar, mercury sulphide. Locality unknown. Keele Collection.

Day 201 : Pyrite. Locality unknown. Keele collection.

Day 200 : Sphalerite from the Brownley Hill Mine, Nenthead, Cumbria, England. Cotton collection, Keele.

Day 199 : Covellite. A copper sulphide. Locality unknown, Keele Collection.

Day 198 : Realgar (“powder of the mine” in Arabic) is an arsenic sulphide. This sample is from Kapnikbánya, Cavnic, Maramures Co., Romania (formerly Kapnikbanya, Hungary). Cotton collection, Keele.

Day 197 : Pyrrhotite (iron sulphide) and hornblende. Locality unknown. Keele collection.

Day 196 : Orpiment (arsenic sulphide) from Manhattan District, Nye County, Nevada, USA.

Day 195 : Tetradymite is a bismuth, tellurium sulphide. This sample is from the St David’s Mine, Bontddu, Dolgellau, Gwynedd, Wales. Cotton Collection, Keele.

Day 194 : Bismuthite (or Bismutite) in the Shap Granite, Shap, Cumbria, England. Cotton Collection.

Day 193 : Opiment is arsenic sulphide. This sample from the Manhattan, Nye County, Nevada, USA. Keele Collection