|Mineral class||Oxides : Corundum - Spinell - Chrysoberyll group|
|Habitus||Crystals octaedric, sometimes as cubes or dodecahedrons. Twinning according to the spinel twin law could create pseudo trigonal crystals. Common as massive or grains.|
|Cleavage||None, fracture conchoidal.|
|Color||Dark gray, dark blue, green, brown, yellow.|
|Luster||Vitreous, translucent to opaque.|
|Description||A rare spinell mineral.|
|Associates||Calcite, garnets, anthophyllite.|
|Notes||Type locality : Falun, Sweden.|
|Locations|| A rare mineral with several good crystal localities in Sweden.|
| To oxides index.
|| Mineral group index.
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