| Mineral class | Sulphides : Nickeline group |
| Chemical formula | 4(Fe,Ni)S]. 3(Mg,Fe)(OH)2 |
| Crystal system | Hexagonal |
| Habitus | |
| Cleavage | |
| Hardness | 1.3 |
| Density | 3.575 |
| Color | Bronze-red to light brown. |
| Streak | |
| Luster | Metallic. |
| Description | |
| Occurance | |
| Associates | |
| Notes | Named after the Finnish geologist Paavo Haapala,
chief geologist at Outokumpu. Litterature sources : Bul. Geol. Soc. Fin. 45 (1973), 103; HB1 (1990) |
| Locations | Not known from Sweden.
|
| To sulphide index. |
Mineral group index. |
Main index. |
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