Yeso
Yeso is a mineral with formula CaSO₄·2H₂O, in the Sulfatos group. This specimen comes from Cantera de Alabastro, Fuentes del Ebro, Zaragoza, Aragón, España and joined the Terrium collection in 2025.
Description
A clear sword-like gypsum crystal, 4 cm long by 2.5 cm wide, accompanied on matrix by smaller crystals.
About Yeso
Gypsum is a hydrated calcium sulfate, common in evaporitic environments and cavities. It may form transparent tabular or sword-like crystals.
About the locality
Fuentes de Ebro is a classic locality for gypsum and alabaster; access depends on private workings where local miners strongly protect their áreas and findings.
Technical data
- Catalogue No.
- 0650
- Composition
- CaSO₄·2H₂O
- Name
- Yeso
- Group
- Sulfatos
- Category
- Estélites
- Mine
- Cantera de Alabastro
- District / Municipality
- Fuentes del Ebro
- Province
- Zaragoza
- Region
- Aragón
- Country
- España
- Size (cm)
- 7 x 4.5 x 1.5
- Weight
- 16.2 g
- Acquired
- 2025
- Ex-collection
- Ramon Muntada Rivera
- Etymology
- From the Greek "gypsos", the traditional name for gypsum.
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España
- Analcima — España