| Locality type: | Hill |
| Classification |
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| Species: | Actinolite |
| Formula: | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Comments: | Microcrystals in small vugs in altered sandstone (perhaps derived from calcareous concretions) with epidote. |
| Habit: | massive in matrix, acicular to capillary in small vugs |
| Colour: | grayish-green |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Rare |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Epidote | 1 |
| Data |
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| Mineral Data: | Click here to view Actinolite data |
| Locality Data: | Click here to view York Hill, Hamden, New Haven County, Connecticut, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 958200 |
| Long-form Identifier: | 1:3:958200:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Actinolite |
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| 18.7km (11.6 miles) | ⓘLambert Road serpentinite, Orange, New Haven County, Connecticut, USA |
| 19.4km (12.1 miles) | ⓘLittle Laurel Lime Park, Seymour, New Haven County, Connecticut, USA |
| 28.0km (17.4 miles) | ⓘLane's Mine (Lane's Lead and Silver Mine; Elm Street), Monroe, Fairfield County, Connecticut, USA |
| 28.3km (17.6 miles) | ⓘTollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA |
| 28.7km (17.8 miles) | ⓘNonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA |
| 28.8km (17.9 miles) | ⓘNew England Materials quarry, Monroe, Fairfield County, Connecticut, USA |
| 29.1km (18.1 miles) | ⓘWaterbury Road quarry, Thomaston, Litchfield County, Connecticut, USA |
| 29.2km (18.1 miles) | ⓘHurley Hill, Bristol, Hartford County, Connecticut, USA |
| 29.8km (18.5 miles) | ⓘOld Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 30.0km (18.6 miles) | ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| References |
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York Hill, Hamden, New Haven County, Connecticut, USA