Rejalgar
Rejalgar is a mineral with formula As₄S₄, in the Sulfuros group. This specimen comes from Mina Eugenia, La Soterrana, Muñón Cimero, Asturias, España.
Description
Several pieces of red crystals on a brownish matrix, very fragile but with a very hard matrix.
History of this specimen
Highly poisonous because of its arsenic content, it must be handled with caution.
Technical data
- Catalogue No.
- 0568
- Internal reference
- X0227
- Composition
- As₄S₄
- Name
- Rejalgar
- Group
- Sulfuros
- Mine
- Mina Eugenia
- District / Municipality
- La Soterrana
- Province
- Muñón Cimero
- Region
- Asturias
- Country
- España
- Etymology
- It comes from the Arabic 'rahj al-ghar' (رهج الغار), meaning 'mine dust', describing its occurrence in mining galleries.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Acantita (Paramórfica tras Argentita) — Marruecos
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España