| Name: | Esperite Epr |
| IMA Chemistry: | PbCa2(ZnSiO4)3 |
| Chemistry Elements: | The mineral Esperite contains elements: Lead (Pb) Calcium (Ca) Zinc (Zn) Silicon (Si) Oxygen (O) |
| Country of Type Locality: | USA |
| Year First Published: | 1964 |
| IMA Status: | Approved |
| Status Notes: | Moore P B, Ribbe P H (1965) A study of “calcium-larsenite” renamed esperite, American Mineralogist 50, 1170-1178 Chemical formula revised from PbCa_3_Zn_4_(SiO_4_)_4_: Tait K T, Yang H, Downs R T, Li C, Pinch W W (2010) The crystal structure of esperite, with a revised chemical formula, PbCa_2_(ZnSiO_4_)_3_, isostructural with beryllonite, American Mineralogist 95, 699-705 |
| Structural Group Name: | Beryllonite |
| Fleischer's Group Name: | |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 1349 Million Years Ago |
| Mohs Hardness: | 5.25 |
| Diaphaneity: | 1.0 |
| Specific Gravity: | 4.35 |
| More Info: | Search Wikipedia: Esperite (Wiki) Search Mindat: Esperite Search Web Mineral DB: Esperite |