Crisocola
Crisocola is a mineral with formula (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O, in the Silicatos (Filosilicatos) group. This specimen comes from Mina del tío Roberto, Hombrados, Guadalajara, Castilla-La Mancha, España.
Description
With tiny azurite spots on a calcite matrix
History of this specimen
Collected by Francisco and Óscar together with Darío and María. It reacts under ultraviolet in dark red.
Technical data
- Catalogue No.
- 0430
- Composition
- (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O
- Name
- Crisocola
- Group
- Silicatos (Filosilicatos)
- Category
- Lucimera
- Matrix
- Calcita
- Associations
- Azurita, Malaquita
- Mine
- Mina del tío Roberto
- District / Municipality
- Hombrados
- Province
- Guadalajara
- Region
- Castilla-La Mancha
- Country
- España
- Size (cm)
- 8 x 7 x 4
- Weight
- 174.2 g
- Etymology
- From the Greek «chrysos» and «kolla», “gold” and “glue”, for its former use in soldering gold.
- Quality
- De paso
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España
- Analcima — España