| Locality type: | Dam |
| Classification |
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| Species: | Annite |
| Formula: | KFe32+(AlSi3O10)(OH)2 |
| Formation: | Primary |
| Comments: | Most obvious in calcite-rich veins cutting annite gneiss (probably Tatnic Hill Formation). |
| Habit: | micaceous |
| Colour: | black |
| 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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|
| Beryl | 1 |
| Microcline | 1 |
| Fluorite | 1 |
| Quartz | 1 |
| Albite | 1 |
| Pyrite | 1 |
| Calcite | 1 |
| Data |
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| Mineral Data: | Click here to view Annite data |
| Locality Data: | Click here to view Mansfield Hollow Dam, Windham, Windham County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 944155 |
| Long-form Identifier: | 1:3:944155:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Annite |
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| 8.4km (5.2 miles) | ⓘUS Route 6 Willimantic Bypass expressway road cuts, Coventry, Tolland County, Connecticut, USA |
| 24.9km (15.5 miles) | ⓘFalls of the Yantic River, Norwich, New London County, Connecticut, USA |
| 32.4km (20.1 miles) | ⓘSpinelli prospect (Spinelli quarry), Glastonbury, Hartford County, Connecticut, USA |
| 32.9km (20.5 miles) | ⓘBishop Hill Schorl Locality, East Hampton, Middlesex County, Connecticut, USA |
| 34.5km (21.4 miles) | ⓘSlocum prospect, East Hampton, Middlesex County, Connecticut, USA |
| 34.9km (21.7 miles) | ⓘState Forest Quarry No. 1, East Hampton, Middlesex County, Connecticut, USA |
| 35.0km (21.7 miles) | ⓘNathan Hall Quarry, East Hampton, Middlesex County, Connecticut, USA |
| 36.4km (22.6 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
| 36.4km (22.6 miles) | ⓘCase Quarry No. 1, Case Quarries, Portland, Middlesex County, Connecticut, USA |
| 36.5km (22.7 miles) | ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| References |
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