| Treasures of the Redpath Museum | |||
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 browse  Sulphur Galena Chalcopyrite Fluorite Stibnite Quartz (rock crystal) Quartz (scarlet quartz) Hematite Calcite Cerrusite Azurite Dioptase Vesuvianite Barite Gypsum | ||
| Chalcopyrite is also known as copper pyrites, its chemical formula is that of pyrite with copper added. This specimen from Joplin, Missouri has crystals of chalcopyrite with crystals of sphalerite scattered on a background of pink saddle-shaped crystals of dolomite. |
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