Pirolusita Dendrítica
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Pirolusita is a mineral with formula MnO₂. This specimen comes from Mina El Molar, El Molar, Tarragona, Catalunya, España.
Description
Pieza alargada y aplanada con numerosas dendritas de pirolusita.
Technical data
- Catalogue No.
- 0473
- Composition
- MnO₂
- Name
- Pirolusita
- Variety
- Dendrítica
- Mine
- Mina El Molar
- District / Municipality
- El Molar
- Province
- Tarragona
- Region
- Catalunya
- Country
- España
- Etymology
- Its name combines the Greek 'pyr' (πῦρ), 'fire', and 'lousis' (λούσις), 'washing'. Historically, it was used in glassmaking to 'wash out' or remove unwanted greenish and brown tints.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Aragonito (Blanco (Bulboso)) — España
- Barita — España
- Calcita (Dorada) — España
- Jacinto de Compostela — España
- Magnetita — España
- Magnetita — España
- Malaquita (Microbotrioidal) — España
- Uranofana — España