Siderita
Siderita is a mineral with formula FeCO₃, in the Carbonatos group. This specimen comes from La Unión, Murcia, España and joined the Terrium collection in 2025.
Description
Dense aggregate of siderite crystals with calcite coatings and visible metallic galena crystals, on an earthy matrix. Crack growth.
History of this specimen
Piece with sober aesthetics and texture rich in detail. Of low value on the general market, but very significant for its formation in a crack and its ability to reveal complexity when observed closely. Sold by Juanjo from Elx. Typical paragenesis of this area: greenish matrix, siderite, and galena.
Technical data
- Catalogue No.
- 0553
- Internal reference
- X0136
- Composition
- FeCO₃
- Name
- Siderita
- Group
- Carbonatos
- Associations
- Galena, Calcita
- District / Municipality
- La Unión
- Province
- Murcia
- Country
- España
- Size (cm)
- ~5
- Acquired
- 2025
- Etymology
- From the Greek "sideros" ("iron").
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España
- Analcima — España