Cuarzo
Cuarzo 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.
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.
- 0432
- Composition
- (CaMg)(CO₃)₂
- Name
- Cuarzo
- Group
- Carbonatos
- Category
- Cavella
- 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
- Etymology
- From the German «Quarz», an old word of uncertain, probably Slavic, origin.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España
- Analcima — España