Allophane from
Foz da Ribeira do Faial, Faial, Santana, Madeira Island, Madeira, Portugal
| Locality type: | Outcrop | |
| Classification | ||
|---|---|---|
| Species: | Allophane | |
| Formula: | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Goethite | ⓘ4 photos of Allophane associated with Goethite at this locality. | |
| Lizardite | ⓘ3 photos of Allophane associated with Lizardite at this locality. | |
| Data | ||
| Mineral Data: | Click here to view Allophane data | |
| Locality Data: | Click here to view Foz da Ribeira do Faial, Faial, Santana, Madeira Island, Madeira, Portugal | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 1589222 | |
| Long-form Identifier: | 1:3:1589222:9 | |
| GUID (UUID V4): | 80b5db13-35ff-468b-8665-99840c9e0873 | |
| Nearest other occurrences of Allophane | ||
| 16.9km (10.5 miles) | ⓘRoadside quarry, Boca da Encumeada pass, Serra de Água, Ribeira Brava, Madeira Island, Madeira, Portugal | |
| 29.4km (18.3 miles) | ⓘRibeira da Janela beach, Porto Moniz, Madeira Island, Madeira, Portugal | |
| References | ||
Michele DondiIdentified by Michele Dondi: Visual Identification, XRD | ||
