Drusa (Geoda)
The English version of this entry is not ready yet — text shown in Spanish.
Cuarzo is a mineral with formula SiO₂, in the Silicatos (Tectosilicatos) group. This specimen comes from .
Description
Open geode lined with white drusy quartz. Porous brownish-yellow matrix.
History of this specimen
Comprado en Pompeya, probablemente un pseudomorfo…
Technical data
- Catalogue No.
- 0437
- Composition
- SiO₂
- Name
- Cuarzo
- Variety
- Drusa (Geoda)
- Group
- Silicatos (Tectosilicatos)
- Category
- Cavella
- Etymology
- From the German «Quarz», an old word of uncertain, probably Slavic, origin.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Asbesto —
- Calcita —
- Cuarzo (Ahumado rutilado) —
- Hackmanita — Afganistán
- Talco (Esteatita) —
- Turmalina (Indicolita zonada «blue cap») —
- Cuarzo — España
- Cuarzo — España