| Locality type: | Quarry |
| Classification |
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| Species: | 'Smectite Group' (not an IMA approved species) |
| Formula: | A0.3D2-3[T4O10]Z2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Natrolite | 30 |
| Calcite | 19 |
| Thomsonite-Ca | 19 |
| Analcime | 7 |
| Basalt | 1 |
| Stilbite Subgroup | 1 |
| Data |
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| Mineral Data: | Click here to view Smectite Group data |
| Locality Data: | Click here to view Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal |
| Photo Gallery | View Gallery (5 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 776161 |
| Long-form Identifier: | 1:3:776161:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Smectite Group |
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| 20.5km (12.8 miles) | ⓘSalemas quarry, Lousa, Loures, Lisbon, Portugal |
| 23.2km (14.4 miles) | ⓘMoinhos da Galega, Falagueira-Venda Nova, Amadora, Lisbon, Portugal |
| 23.6km (14.7 miles) | ⓘRamada zeolite occurrence, Ramada e Caneças, Odivelas, Lisbon, Portugal |
| 24.1km (15.0 miles) | ⓘValejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal |
| 24.6km (15.3 miles) | ⓘCarnaxide e Queijas, Oeiras, Lisbon, Portugal |
| 24.7km (15.4 miles) | ⓘRibeira de Fanhões, Fanhões, Loures, Lisbon, Portugal |
| 28.1km (17.4 miles) | ⓘMonsanto Mountain, Lisbon, Lisbon, Portugal |
| 86.1km (53.5 miles) | ⓘCasalinho, Maiorga, Alcobaça, Leiria, Portugal |
| References |
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Lomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal