Cordierita
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Cordierita is a mineral with formula Mg₂Al₄Si₅O₁₈, in the Silicatos (Ciclosilicatos) group. This specimen comes from El Hoyazo, Níjar, Almería, Andalucía, España.
Description
Cristales azules oscuros en matriz metamórfica, con pleocroísmo notable.
Technical data
- Catalogue No.
- 0518
- Internal reference
- X0057
- Composition
- Mg₂Al₄Si₅O₁₈
- Name
- Cordierita
- Group
- Silicatos (Ciclosilicatos)
- Mine
- El Hoyazo
- District / Municipality
- Níjar
- Province
- Almería
- Region
- Andalucía
- Country
- España
- Ex-collection
- Meli
- Etymology
- In honor of Louis Cordier (1777-1861), an eminent French geologist and mining engineer who pioneered the use of the microscope in the study of rocks.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Abellaíta — España
- Abernathyita — España
- Abernathyita — España
- Abernathyita — España
- Aerenita — España
- Aerinita (fibrosa) — España
- Analcima — España
- Analcima — España