| 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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| Pyrite | β1 photo of Annite associated with Pyrite at this locality. |
| Calcite | β1 photo of Annite associated with Calcite at this locality. |
| Beryl | β1 photo of Annite associated with Beryl at this locality. |
| Microcline | β1 photo of Annite associated with Microcline at this locality. |
| Fluorite | β1 photo of Annite associated with Fluorite at this locality. |
| Quartz | β1 photo of Annite associated with Quartz at this locality. |
| Albite | β1 photo of Annite associated with Albite at this locality. |
| 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): | 73efacb0-2680-4dcf-b695-c482ed531df8 |
| Nearest other occurrences of Annite |
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| 8.4km (5.2 miles) | βUS Route 6 Willimantic Bypass expressway road cuts, Coventry, Tolland County, Connecticut, USA |
| 24.9km (15.5 miles) | βFalls of the Yantic River, Norwich, New London County, Connecticut, USA |
| 29.0km (18.0 miles) | βSterling, Windham County, Connecticut, USA |
| 32.4km (20.1 miles) | βSpinelli prospect (Spinelli quarry), Glastonbury, Hartford County, Connecticut, USA |
| 32.9km (20.5 miles) | βBishop Hill Schorl Locality, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 34.5km (21.4 miles) | βSlocum prospect, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 34.9km (21.7 miles) | βState Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 35.0km (21.7 miles) | βNathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 36.4km (22.6 miles) | βCase Quarries, Portland, Middlesex County, Connecticut, USA |
| 36.5km (22.7 miles) | βHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | P. Ambers and R. P. Wintsch hole, Moodus, Connecticut 171 Geochemical and geological criteria for...A. Bernitz, and J. S. Fout origin, eastern Connecticut 187 Thrust napping versus fold napping in the...of the Boston Basin . 235 of southeastern Connecticut Nicholas Rast and James W. Skehan Index . ...are from a 1.5-k-deep core drilled at Moodus, Connecticut. Based on their findings, the authors suggest...southeastern Massachusetts, Rhode Island, and eastern Connecticut, U.S.A., in Rast, N., and Delany, F. M., eds |
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