Pirolusita
Pirolusita is a mineral with formula MnO₂, in the Óxidos group. This specimen comes from La Unión, Murcia, España.
Description
Acicular pyrolusite crystals in a cavity. Possibly from the same mine as the blue barite (Teresita).
Technical data
- Catalogue No.
- 0552
- Composition
- MnO₂
- Name
- Pirolusita
- Group
- Óxidos
- District / Municipality
- La Unión
- Province
- Murcia
- Country
- España
- Etymology
- From the Greek 'pyr' (fire) and 'lousis' (washing), because of its use in decolorizing glass.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Aragonito (Blanco (Bulboso)) — España
- Barita — España
- Calcita (Dorada) — España
- Jacinto de Compostela — España
- Goethita (Botroidal) — Marruecos
- Magnetita — España
- Magnetita — España
- Malaquita (Microbotrioidal) — España