Crisocola
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Crisocola is a mineral with formula (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O, in the Silicatos (Filosilicatos) group. This specimen comes from .
Description
Pieza grande con manchas verdes y puntos azul intenso. Las zonas marrones lucen en rojo bajo UV.
History of this specimen
Comprada a Shin.
Technical data
- Catalogue No.
- 0593
- Composition
- (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O
- Name
- Crisocola
- Group
- Silicatos (Filosilicatos)
- Associations
- Azurita, Malaquita
- Etymology
- From the Greek 'chrysos' (gold) and 'kolla' (glue), because of its ancient use as a flux for soldering gold.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Asbesto —
- Calcita —
- Cuarzo (Ahumado rutilado) —
- Drusa (Geoda) —
- Talco (Esteatita) —
- Turmalina (Indicolita zonada «blue cap») —
- Crisocola — España
- Crisocola — España