Epidota
Epidota is a mineral with formula Ca₂(Al,Fe)₃(SiO₄)₃(OH), in the Silicatos (Sorosilicatos) group. This specimen comes from Canteras de Les Olles, Tremp, Lleida, España.
Description
Well-formed green prismatic crystals on a dark rocky matrix. The crystals show a characteristic vitreous luster, arranged in fan-like or radial aggregates.
About Epidota
Epidote is a mineral belonging to the sorosilicate group, known for its characteristic green color, resulting from its iron content. It is commonly found associated with metamorphic environments and hydrothermal cavities. The Lesoyes specimen stands out for the good definition of its crystals, with luster and an aesthetic arrangement.
Technical data
- Catalogue No.
- 0488
- Internal reference
- T0112
- Composition
- Ca₂(Al,Fe)₃(SiO₄)₃(OH)
- Name
- Epidota
- Group
- Silicatos (Sorosilicatos)
- Mine
- Canteras de Les Olles
- District / Municipality
- Tremp
- Province
- Lleida
- Country
- España
- Etymology
- From the Greek 'epidosis' (ἐπίδοσις), meaning 'increase' or 'addition'. It was named this way by the mineralogist René Just Haüy because one of the faces at the base of its crystal prism is longer than the other.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España
- Analcima — España