| Name: | Marcasite Mrc |
| Specimens in Collection: |  #633: Calcite / Marcasite / Dolomite Sweetwater Mine, Ellington, Reynolds County, Missouri, USA  #324: Limonite / Hematite ps. after Marcasite / Pyrite White Desert, Farafra, Egypt  #308: Marcasite / Dolomite Linwood Mine, Buffalo, Scott County, Iowa, USA  #101: Calcite / Marcasite / Fluorite Morocco |
| IMA Chemistry: | FeS2 |
| Chemistry Elements: | The mineral Marcasite contains elements: Iron (Fe) Sulfur (S) |
| Country of Type Locality: | unknown |
| Year First Published: | 0 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Mineral name has been known since antiquity and predates any formal descriptive publication. For example: Hill J (1751) Of vitriolic minerals. in A History of the Materia Medica, Longman, Hitch and Hawes (London) 140-147 |
| Structural Group Name: | Marcasite |
| Fleischer's Group Name: | Marcasite-Löllingite-marcasite subgroup |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 4000 Million Years Ago |
| More Info: | Search Wikipedia: Marcasite (Wiki) Search Mindat: Marcasite Search Web Mineral DB: Marcasite |