| Locality type: | Quarry |
| 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 Teeter Quarry (Teeters Quarry; Valley Quarry; John S. Teeter and Sons Co. Quarry; Gettysburg Quarry; H.T. Campbell's Teeter's Quarry), Gettysburg, Adams County, Pennsylvania, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 369125 |
| Long-form Identifier: | 1:3:369125:0 |
| GUID (UUID V4): | 7f6c5463-042d-47e1-908a-bc6011819dd3 |
| Nearest other occurrences of Opal |
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| 50.0km (31.1 miles) | ⓘDelight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA |
| 63.1km (39.2 miles) | ⓘPatapsco Glen Construction Site, Woodlawn, Baltimore County, Maryland, USA |
| 63.1km (39.2 miles) | ⓘLord Baltimore Drive Quartz occurrence area, Windsor Mill, Baltimore County, Maryland, USA |
| 64.8km (40.3 miles) | ⓘBare Hills Serpentine Quarry East, Bare Hills, Baltimore County, Maryland, USA |
| 64.9km (40.3 miles) | ⓘUnnamed Chromite prospects, Bare Hills, Baltimore County, Maryland, USA |
| 74.7km (46.4 miles) | ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA |
| 76.9km (47.8 miles) | ⓘGarey Ore Bank, Anne Arundel County, Maryland, USA |
| 77.9km (48.4 miles) | ⓘMaryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry), Cardiff, Harford County, Maryland, USA |
| 79.1km (49.2 miles) | ⓘOld Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA |
| 81.1km (50.4 miles) | ⓘPaint Branch, Silver Spring, Montgomery County, Maryland, USA |
| References |
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