| Locality type: | Tunnel |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Grua Tunnel, Grua, Lunner, Viken, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 781295 |
| Long-form Identifier: | 1:3:781295:8 |
| GUID (UUID V4): | a5105056-fc48-459a-82aa-2cc3cc4ec573 |
| Nearest other occurrences of Quartz |
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| 0.2km (0.2 miles) | ⓘKalkovnen, Østhagan Nature Reserve, Grua mining district, Grua, Lunner, Viken, Norway |
| 1.3km (0.8 miles) | ⓘNyseter Zinc Mines, Grua mining district, Grua, Lunner, Viken, Norway |
| 1.6km (1.0 miles) | ⓘMutta Mine, Grua mining district, Grua, Lunner, Viken, Norway |
| 2.4km (1.5 miles) | ⓘSkjerpemyr Mine, Grua mining district, Grua, Lunner, Viken, Norway |
| 3.0km (1.8 miles) | ⓘLykkens Prøve, Grua mining district, Grua, Lunner, Viken, Norway |
| 3.4km (2.1 miles) | ⓘSvea roadcut, Grua, Lunner, Viken, Norway |
| 5.0km (3.1 miles) | ⓘKarlstjern Mines, Grua mining district, Grua, Lunner, Viken, Norway |
| 5.1km (3.2 miles) | ⓘZone 6, RV 4 roadcuts, Harestua, Lunner, Viken, Norway |
| 5.2km (3.2 miles) | ⓘZone 7, RV 4 roadcuts, Harestua, Lunner, Viken, Norway |
| 6.9km (4.3 miles) | ⓘFjellsjøen, Lunner, Viken, Norway |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | Meieran. Half of the specimens are from southern Norway, the Meieran ancestral homeland. They Emerald...collected in the 1890s during construction of the Grua Tunnel, about 20 kilometers north of Oslo. Also in December... Alaska; a 20-cm crystal of smoky quartz enrobed with rose quartz crystals from Minas Gerais, Brazil; |
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