| Locality type: | Mine |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Allah Cooper Mine (Alley-Cooper Mine; Ali Cooper Mine; Valcooper Mine), Gold-Pyrite Belt, Louisa County, Virginia, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 547730 |
| Long-form Identifier: | 1:3:547730:2 |
| GUID (UUID V4): | b89a0e3a-2dd1-4978-88eb-511c559365bd |
| Nearest other occurrences of Opal |
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| 35.9km (22.3 miles) | ⓘCedar Mountain Stone Corp. Quarry (A. H. Smith quarry), Mitchell, Culpeper County, Virginia, USA |
| 44.6km (27.7 miles) | ⓘStony Point Mine, Stony Point, Albemarle County, Virginia, USA |
| 79.5km (49.4 miles) | ⓘMorefield Mine (Morefield pegmatite), Winterham, Amelia County, Virginia, USA |
| 82.1km (51.0 miles) | ⓘAmelia (Amelia Court House), Amelia County, Virginia, USA |
| 82.5km (51.3 miles) | ⓘVulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA |
| 91.8km (57.0 miles) | ⓘBull Run Quarry, Conklin, Loudoun County, Virginia, USA |
| 93.1km (57.9 miles) | ⓘCentreville, Culpeper Basin, Fairfax County, Virginia, USA |
| References |
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