Name: | Johannsenite Jhn |
IMA Chemistry: | CaMnSi2O6 |
Chemistry Elements: | The mineral Johannsenite contains elements: Calcium (Ca) Manganese (Mn) Silicon (Si) Oxygen (O) |
Country of Type Locality: | Italy / USA |
Year First Published: | 1938 |
IMA Status: | Approved |
Status Notes: | Johannsenite, a new manganese pyroxene (1938) Schaller W T, American Mineralogist 23, 575-582 |
Structural Group Name: | Pyroxene |
Fleischer's Group Name: | pyroxene |
Crystal Systems: | monoclinic |
Oldest Known Age: | 2222.9 Million Years Ago |
More Info: | Search Wikipedia: Johannsenite (Wiki) Search Mindat: Johannsenite Search Web Mineral DB: Johannsenite |