| Name: | Piemontite Pmt |
| IMA Chemistry: | Ca2(Al2Mn3+)[Si2O7][SiO4]O(OH) |
| Chemistry Elements: | The mineral Piemontite contains elements: Calcium (Ca) Aluminum (Al) Manganese (Mn) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Italy |
| Year First Published: | 1853 |
| IMA Status: | Approved |
| Status Notes: | Kenngott A (1853) Piemontit, in Das Mohs’sche Mineralsystem, (Wien) 74-75 |
| Structural Group Name: | Epidote |
| Fleischer's Group Name: | epidote |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 2906 Million Years Ago |
| Mohs Hardness: | 6.25 |
| Diaphaneity: | 1.0 |
| More Info: | Search Wikipedia: Piemontite (Wiki) Search Mindat: Piemontite Search Web Mineral DB: Piemontite |