Name: | Groutite Gro |
IMA Chemistry: | Mn3+O(OH) |
Chemistry Elements: | The mineral Groutite contains elements: Manganese (Mn) Oxygen (O) Hydrogen (H) |
Country of Type Locality: | USA |
Year First Published: | 1945 |
IMA Status: | Approved,Grandfathered |
Status Notes: | Gruner J W (1947) Groutite, HMnO_2_, a new mineral of the diaspore-goethite group, American Mineralogist 32, 654-659 |
Structural Group Name: | Diaspore |
Fleischer's Group Name: | diaspore |
Crystal Systems: | orthorhombic |
Oldest Known Age: | 2400 Million Years Ago |
Mohs Hardness: | 3.75 |
Diaphaneity: | 1.0 |
Specific Gravity: | 4.144 |
More Info: | Search Wikipedia: Groutite (Wiki) Search Mindat: Groutite Search Web Mineral DB: Groutite |