| Locality type: | Pegmatite |
| 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 Pizzi dei Rossi, Val Forno, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 436440 |
| Long-form Identifier: | 1:3:436440:5 |
| GUID (UUID V4): | a1d58ded-011f-4fb1-9f7b-227c0993376f |
| Nearest other occurrences of Bertrandite |
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| 12.2km (7.6 miles) | ⓘPunta Trubinasca, Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy |
| 24.4km (15.1 miles) | ⓘUnnamed pegmatite, Chiavenna, Sondrio Province, Lombardy, Italy |
| 39.4km (24.5 miles) | ⓘLaghetto pegmatitic dyke (Laghetto Quarry), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy |
| 75.3km (46.8 miles) | ⓘMadonna d'Ongero, Carona, Lugano, Ticino, Switzerland |
| 81.0km (50.3 miles) | ⓘPuricelli Quarry, Cavagnano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 81.0km (50.3 miles) | ⓘDel Prete Quarry, Cuasso al Piano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 81.2km (50.4 miles) | ⓘLaghetto Quarry, Cavagnano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 81.2km (50.4 miles) | ⓘSubalpina Quarry (Mantegazza Quarry; Gebel Quarry; Bianchi Quarry), Cavagnano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 81.3km (50.5 miles) | ⓘBonomi Quarry, Cuasso al Piano, Cuasso al Monte, Varese Province, Lombardy, Italy |
| 91.0km (56.6 miles) | ⓘFieud lake, Fontana, Airolo, Leventina, Ticino, Switzerland |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | Beryllium is a quintessential upper crustal element, being enriched in the upper crust by a factor of 30 relative...Långban and similar deposits in the Bergslagen ore region of central Sweden, and which are inferred to correspond...permission from the RRUFF Project (Downs 2006). (i) Bertrandite, Be4Si2O7(OH)2, in pseudohexagonal prisms from...emphasizing that these changes were concentrated in the upper parts of Earth’s crust and on its surface. Mineral...Lauretta 2011). Beryllium is highly enriched in the upper continental crust compared to other reservoirs, |
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