| Name: | Orpiment Orp |
| Specimens in Collection: |  #978: Hutchinsonite / Orpiment Quiruvilca Mine, La Libertad Dept., Peru  #42: Realgar / Orpiment China  #182: Orpiment China |
| IMA Chemistry: | As2S3 |
| Chemistry Elements: | The mineral Orpiment contains elements: Arsenic (As) 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 |
| Structural Group Name: | Orpiment |
| Fleischer's Group Name: | |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 2816 Million Years Ago |
| More Info: | Search Wikipedia: Orpiment (Wiki) Search Mindat: Orpiment Search Web Mineral DB: Orpiment |