| Mineral class | Borates : Kotoite - Ludwigite group. |
| Chemical formula | Mg2(Mn,Fe)BO3 |
| Crystal system | Orthorombic. |
| Habitus | Needle like crystal. |
| Cleavage | |
| Hardness | |
| Density | 3.84 |
| Color | Black. |
| Streak | |
| Luster | |
| Description | |
| Occurance | |
| Associates | |
| Notes | Type locality : Långban. |
| Locations | A rare mineral.
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| To borates index. |
Mineral group index. |
Main index. |
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