Dolomita
Dolomita is a mineral with formula (CaMg)(CO₃)₂, in the Carbonatos group. This specimen comes from San Guillem, Valuengo, Jerez de los Caballeros, Badajoz, Extremadura, España and joined the Terrium collection in 2025.
Description
Huge biterminated crystal of transparent quartz on matrix, accompanied by dolomite and chlorite.
History of this specimen
Dark matrix that highlights the crystals.
Technical data
- Catalogue No.
- 0522
- Internal reference
- X0066
- Composition
- (CaMg)(CO₃)₂
- Name
- Dolomita
- Group
- Carbonatos
- Associations
- Cuarzo, Clorita
- Mine
- San Guillem
- District / Municipality
- Valuengo, Jerez de los Caballeros
- Province
- Badajoz
- Region
- Extremadura
- Country
- España
- Size (cm)
- 5 x 3.5 x 2
- Acquired
- 2025
- Etymology
- Named in honor of Déodat de Dolomieu (1750-1801), a French geologist and mineralogist who was the first to describe this mineral and the rock dolomite in the Alps.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España
- Analcima — España