Locality type: | Mine |
Classification |
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Species: | Opal var: Opal-AN |
Formula: | SiO2 · nH2O |
Comments: | Typically as colorless crusts or coatings that escape notice except when illuminated by SW UV, which causes a bright green fluorescence. |
Habit: | coatings, crusts |
Colour: | colorless |
Luminescent properties: | green |
Quality for species: | Poor for species, only of interest for locality collectors. (#) |
Confirmation |
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Validity: | Believed Valid |
Associated Minerals Based on Photo Data: |
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Quartz | ⓘ5 photos of Opal-AN associated with Quartz at this locality. |
Siderite | ⓘ1 photo of Opal-AN associated with Siderite at this locality. |
Data |
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Mineral Data: | Click here to view Opal-AN data |
Locality Data: | Click here to view Roxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA |
Photo Gallery | View Gallery (2 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 131540 |
Long-form Identifier: | 1:3:131540:0 |
GUID (UUID V4): | ec10cc9e-2298-45c0-a518-6b2a88f4d44a |
Nearest other occurrences of Opal-AN |
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12.4km (7.7 miles) | ⓘNew England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield County, Connecticut, USA |
12.5km (7.7 miles) | ⓘNonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA |
13.9km (8.6 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
14.1km (8.8 miles) | ⓘSouthbury, New Haven County, Connecticut, USA |
16.0km (9.9 miles) | ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA |
19.2km (11.9 miles) | ⓘCurtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven County, Connecticut, USA |
19.9km (12.4 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
23.2km (14.4 miles) | ⓘWestern Connecticut State College, Danbury, Fairfield County, Connecticut, USA |
23.9km (14.9 miles) | ⓘBiermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA |
24.5km (15.2 miles) | ⓘBlue Stone Quarry, Waterbury, New Haven County, Connecticut, USA |
References |
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Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA