| Name: | Janggunite Jgn |
| IMA Chemistry: | (Mn4+,Mn2+,Fe3+)6O8(OH)6 |
| Chemistry Elements: | The mineral Janggunite contains elements: Manganese (Mn) Iron (Fe) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | South Korea |
| Year First Published: | 1975 |
| IMA Status: | Approved |
| Status Notes: | Kim S J (1977) Janggunite, a new manganese hydroxide mineral from the Janggun mine, Bonghwa, Korea, Mineralogical Magazine 41, 519-523 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 251 Million Years Ago |
| More Info: | Search Wikipedia: Janggunite (Wiki) Search Mindat: Janggunite Search Web Mineral DB: Janggunite |