| Locality type: | Dike |
| Classification |
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| Species: | Bertrandite |
| Formula: | Be4(Si2O7)(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Bertrandite data |
| Locality Data: | Click here to view Laghetto pegmatitic dyke (Laghetto Quarry), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 930112 |
| Long-form Identifier: | 1:3:930112:2 |
| GUID (UUID V4): | 3f8d08c7-4453-42dd-b814-7deceeccab2d |
| Nearest other occurrences of Bertrandite |
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| 22.6km (14.1 miles) | ⓘUnnamed pegmatite, Chiavenna, Sondrio Province, Lombardy, Italy |
| 27.6km (17.2 miles) | ⓘPunta Trubinasca, Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy |
| 36.1km (22.4 miles) | ⓘMadonna d'Ongero, Carona, Lugano, Ticino, Switzerland |
| 39.4km (24.5 miles) | ⓘPizzi dei Rossi, Val Forno, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland |
| 41.7km (25.9 miles) | ⓘDel Prete Quarry, Cuasso al Piano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 41.7km (25.9 miles) | ⓘPuricelli Quarry, Cavagnano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 41.9km (26.0 miles) | ⓘSubalpina Quarry (Mantegazza Quarry; Gebel Quarry; Bianchi Quarry), Cavagnano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 41.9km (26.0 miles) | ⓘLaghetto Quarry, Cavagnano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 42.0km (26.1 miles) | ⓘBonomi Quarry, Cuasso al Piano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 63.1km (39.2 miles) | ⓘPiano del Lavonchio (Piano dei Lavonchi), Rio Vasca, Craveggia, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| References |
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Laghetto pegmatitic dyke, Piona Peninsula, Colico, Lecco Province, Lombardy, Italy