| Locality type: | Outcrop |
| Classification |
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| Species: | 'Serpentine Subgroup' (not an IMA approved species) |
| Formula: | D3[Si2O5](OH)4 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Serpentine Subgroup data |
| Locality Data: | Click here to view Tvillingbru, Holmestrand, Vestfold, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 347648 |
| Long-form Identifier: | 1:3:347648:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Serpentine Subgroup |
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| 44.9km (27.9 miles) | ⓘFarrisite locality, Kjose, Larvik Commune, Vestfold, Norway |
| 52.7km (32.8 miles) | ⓘKlaus adit, Vinoren Southern Mines, Vinoren Silver Mine Field, Flesberg, Buskerud, Norway |
| 53.9km (33.5 miles) | ⓘTingelstadtjern Quarry, Modum, Buskerud, Norway |
| 54.9km (34.1 miles) | ⓘOverntjern Quarry, Overntjern, Modum, Buskerud, Norway |
| 57.1km (35.5 miles) | ⓘTorbjørnsås Quarry, Auenlandet, Porsgrunn, Telemark, Norway |
| 63.3km (39.3 miles) | ⓘNesbruddet, Snarum, Modum, Buskerud, Norway |
| 63.7km (39.6 miles) | ⓘØvre Langerud Magnesite Quarry, Langerud, Snarum, Modum, Buskerud, Norway |
| 63.8km (39.6 miles) | ⓘNedre Langerud Magnesite Quarry, Langerud, Snarum, Modum, Buskerud, Norway |
| 65.0km (40.4 miles) | ⓘBjønndalen Quarry, Nittedal, Akershus, Norway |
| 65.9km (41.0 miles) | ⓘNedre Dypingdal Mine, Dypingdal serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway |
| References |
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