| Locality type: | Quarry |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Comments: | Commonly forms crusts in cracks and joints in pegmatites, best found by its bright green fluorescence under SW UV illumination. |
| Habit: | encrustations |
| Luminescent properties: | green |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view New England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 131629 |
| Long-form Identifier: | 1:3:131629:2 |
| GUID (UUID V4): | ac528746-25ca-4aa2-900c-9878f3f10c92 |
| Nearest other occurrences of Opal-AN |
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| 12.4km (7.7 miles) | ⓘRoxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA |
| 21.0km (13.1 miles) | ⓘMine Mountain graphite prospect, Cornwall, Litchfield County, Connecticut, USA |
| 22.7km (14.1 miles) | ⓘNonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA |
| 23.0km (14.3 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 26.3km (16.3 miles) | ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA |
| 26.4km (16.4 miles) | ⓘSouthbury, New Haven County, Connecticut, USA |
| 27.2km (16.9 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 28.8km (17.9 miles) | ⓘState Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA |
| 29.5km (18.3 miles) | ⓘWestern Connecticut State College, Danbury, Fairfield County, Connecticut, USA |
| 30.8km (19.1 miles) | ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
| References |
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