| Locality type: | Quarry |
| Classification |
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| Species: | Bertrandite |
| Formula: | Be4(Si2O7)(OH)2 |
| Habit: | rhombic, hexagonal, or oblong tabular plates, usually 2-3mm in length by about 0.3mm thick, but also as large as 11mm in length by 0.8mm thick |
| Colour: | colourless, brown (stained by iron oxide) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Fluorite | 4 |
| Quartz | 2 |
| Orthoclase | 1 |
| Data |
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| Mineral Data: | Click here to view Bertrandite data |
| Locality Data: | Click here to view Cheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1876 |
| Long-form Identifier: | 1:3:1876:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Bertrandite |
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| 0.9km (0.5 miles) | ⓘGold-diggings Quarry (Swit Quarry), Craddock Moor, St Cleer, Cornwall, England, UK |
| 13.1km (8.1 miles) | ⓘEast Kit Hill Mine, Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK |
| 15.1km (9.4 miles) | ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK |
| 38.0km (23.6 miles) | ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK |
| 63.3km (39.3 miles) | ⓘChywoon Quarry, Mabe, Cornwall, England, UK |
| 63.8km (39.7 miles) | ⓘTrolvis Quarry, Longdowns, Stithians, Cornwall, England, UK |
| 64.6km (40.2 miles) | ⓘHalvosso Quarry (Halvasso Quarry; Kessel Downs Quarry), Mabe, Cornwall, England, UK |
| 66.7km (41.5 miles) | ⓘMaen Quarry, Constantine, Cornwall, England, UK |
| 67.0km (41.6 miles) | ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK |
| 68.2km (42.4 miles) | ⓘGreat Condurrow Mine, Beacon, Camborne, Cornwall, England, UK |
| References |
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Cheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK