| Locality type: | Occurrence |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Comments: | Included in a list of minerals with no details. |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view North Street mall, Danbury, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 805113 |
| Long-form Identifier: | 1:3:805113:4 |
| GUID (UUID V4): | ec2d8da3-c2a2-4ca7-8e0c-468e367e2c7d |
| Nearest other occurrences of Opal-AN |
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| 3.7km (2.3 miles) | ⓘWestern Connecticut State College, Danbury, Fairfield County, Connecticut, USA |
| 6.7km (4.2 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 8.2km (5.1 miles) | ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA |
| 10.9km (6.8 miles) | ⓘBiermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA |
| 13.6km (8.5 miles) | ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA |
| 14.0km (8.7 miles) | ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA |
| 14.9km (9.3 miles) | ⓘRidgefield, Fairfield County, Connecticut, USA |
| 16.1km (10.0 miles) | ⓘFillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA |
| 19.9km (12.4 miles) | ⓘRoxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA |
| 21.5km (13.3 miles) | ⓘSouthbury, New Haven County, Connecticut, USA |
| References |
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