| Locality type: | Quarry |
| Classification |
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| Species: | Zircon var: Cyrtolite |
| Formula: | Zr[(SiO4),(OH)4] |
| Formation: | Primary |
| Habit: | branching aggregates of prismatic crystals terminated by pyramids |
| Colour: | brown |
| Abundance at site: | Rare |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Cyrtolite data |
| Locality Data: | Click here to view Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 130926 |
| Long-form Identifier: | 1:3:130926:3 |
| GUID (UUID V4): | 24d4ddec-e585-4381-9ffe-7df1890bddf4 |
| Nearest other occurrences of Cyrtolite |
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| 1.7km (1.1 miles) | ⓘCaptain Cook's Quarry (Purdy Station Quarry), Newtown, Fairfield County, Connecticut, USA |
| 10.9km (6.8 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 12.1km (7.5 miles) | ⓘFillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA |
| 15.4km (9.6 miles) | ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA |
| 29.4km (18.2 miles) | ⓘKinkel Quarry, Bedford, Westchester County, New York, USA |
| 29.7km (18.4 miles) | ⓘBedford, Westchester County, New York, USA |
| 29.8km (18.5 miles) | ⓘConsolidated Feldspar Mining Corporation's plant, Bedford, Westchester County, New York, USA |
| 30.3km (18.8 miles) | ⓘBaylis Quarry (Bayliss Quarry), Bedford, Westchester County, New York, USA |
| 64.8km (40.3 miles) | ⓘTollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA |
| 68.5km (42.6 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| References |
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Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA