|Mineral class||Sulphides : Pyrite - Marcasite group.|
|Habitus||Common as striated tabular crystals, often curved. Usual in cockscomb formed crystals. Also as radiating rounded aggregates and balls.|
|Cleavage||Distinct with uneven fracture.|
|Color||Light brass colored. Often with a tarnished surface covered with rust.|
|Occurance||Commonly in low tempered hydrothermal veins. Also created in sedimentary rocks.|
|Associates||In hydrothermal veins, calcite, flourite and other sulphides.|
|Notes||The color is lighter than pyrite.|
|Locations|| Occurs mainly in the younger part of the Swedish bedrock.|
| To sulphides index.
|| Mineral group index.
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