| Locality type: | Quarry |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Comments: | inconspicuous unless illuminated by SW UV. |
| Habit: | encrustations |
| Colour: | colorless |
| Luminescent properties: | green |
| Abundance at site: | Very common |
| Confirmation |
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|
| Validity: | Believed Valid |
| References |
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| References: | Field collected by Harold Moritz. |
| Associated Minerals Based on Photo Data: |
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| Beryl | ⓘ2 photos of Opal-AN associated with Beryl at this locality. |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view Nathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex Co., Connecticut, USA |
| Nearest other occurrences of Opal-AN |
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| 2.0km (1.2 miles) | | A ⓘGreat Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA |
| 3.2km (2.0 miles) | | B ⓘPelton's Quarry, Portland, Middlesex Co., Connecticut, USA |
| 4.3km (2.7 miles) | | C ⓘStrickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA |
| 4.8km (3.0 miles) | | D ⓘCase Quarries, Portland, Middlesex Co., Connecticut, USA |
| 5.3km (3.3 miles) | | E ⓘGotta-Walden Prospect, Portland, Middlesex Co., Connecticut, USA |
| 5.4km (3.4 miles) | | F ⓘWalden Gem Quarry, Portland, Middlesex Co., Connecticut, USA |
| 6.2km (3.8 miles) | | G ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex Co., Connecticut, USA |
| 6.6km (4.1 miles) | | H ⓘRiverside Quarry (Western Quarry), White Rock District (White Rocks District), Middletown, Middlesex Co., Connecticut, USA |
| 6.7km (4.2 miles) | | I ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock District (White Rocks District), Middletown, Middlesex Co., Connecticut, USA |
| 6.7km (4.2 miles) | | J ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA |
| 6.8km (4.2 miles) | | K ⓘHollister prospects (Hollister Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA |
| 7.1km (4.4 miles) | | L ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA |
| 7.2km (4.5 miles) | | M ⓘWorth and Selden Quarries (Victoria Quarry), East Hampton (Chatham), Middlesex Co., Connecticut, USA |
| 7.6km (4.7 miles) | | N ⓘHowe #4 Quarry and Eureka Quarries, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA |
| 8.9km (5.6 miles) | | O ⓘSlocum prospect, East Hampton (Chatham), Middlesex Co., Connecticut, USA |
| 9.7km (6.0 miles) | | P ⓘRock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA |
| 10.8km (6.7 miles) | | Q ⓘHaddam Volunteer Fire Station, Higganum, Haddam, Middlesex Co., Connecticut, USA |
| 11.4km (7.1 miles) | | R ⓘForest Ridge Road, Higganum, Haddam, Middlesex Co., Connecticut, USA |
| 12.0km (7.5 miles) | | S ⓘRocky Hill Quarry, Rocky Hill, Hartford Co., Connecticut, USA |
| 13.1km (8.1 miles) | | T ⓘJohn Salak Quarry, Haddam, Middlesex Co., Connecticut, USA |
| 13.8km (8.6 miles) | | U ⓘJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex Co., Connecticut, USA |
| 15.9km (9.9 miles) | | V ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex Co., Connecticut, USA |
| 17.1km (10.6 miles) | | W ⓘDurham, Middlesex Co., Connecticut, USA |
| 17.3km (10.8 miles) | | X ⓘ2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford Co., Connecticut, USA |
| 18.9km (11.8 miles) | | Y ⓘNewington, Hartford Co., Connecticut, USA |
| 42.3km (26.3 miles) | | Z ⓘBlue Stone Quarry, Waterbury, New Haven Co., Connecticut, USA |
| 45.2km (28.1 miles) | | 0 ⓘLead Mine Brook, Harwinton, Litchfield Co., Connecticut, USA |
| 45.4km (28.2 miles) | | 1 ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA |
| 51.1km (31.8 miles) | | 2 ⓘState Route 8 and State Route 118 interchange, Harwinton, Litchfield Co., Connecticut, USA |
| 55.3km (34.4 miles) | | 3 ⓘCurtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven Co., Connecticut, USA |
| 55.5km (34.5 miles) | | 4 ⓘNonnewaug River Industrial Park, Woodbury, Litchfield Co., Connecticut, USA |
| 57.6km (35.8 miles) | | 5 ⓘSouthbury, New Haven Co., Connecticut, USA |
| 66.6km (41.4 miles) | | 6 ⓘOld Mine Park (Lane’s Mine of Trumbull; Lane's New Stratford mine; Hubbard Mine; Long Hill Mine; Old Tungsten Mine), Long Hill, Trumbull, Fairfield Co., Connecticut, USA |
| 66.6km (41.4 miles) | | 7 ⓘRoxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA |
| 66.7km (41.4 miles) | | 8 ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield Co., Connecticut, USA |
| 72.6km (45.1 miles) | | 9 ⓘBiermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield Co., Connecticut, USA |
Nathan Hall Quarry, East Hampton, Middlesex Co., Connecticut, USA