Mineral Database
Manganosite
Crystal System: Cubic
Formula: MnO
Status of Occurrence: Confirmed Occurrence
Distribution: Rare
Chemical Composition: Manganese oxide
Method(s) of Verification: Benallt Mine - XRD (Natural History Museum, x3434), showing a mixture of manganosite, hausmannite and pyrochroite.
Chemical Group:
- Oxides & Hydroxides
Geological Context:
- Hydrothermal
- Metamorphic
Introduction: a relatively rare manganese oxide mineral; a member of the periclase group.
Occurrence in Wales: manganosite has been confirmed from just one locality in Wales, intimately associated with hausmannite and pyrochroite.
Key Localities:
- Benallt Mine, Llŷn, Gwyneddŷ: manganosite has been confirmed from this locality, associated with hausmannite and pyrochroite.
References:
There are no references for this specimen.
