| Locality type: | Park |
| Classification |
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| Species: | Actinolite |
| Formula: | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Formation: | Secondary |
| Comments: | Formed from alteration of magnesio-hornblende in the amphibolite at the upper mine pit adjacent to the quartz-clinzoisite zone that hosts the ferberite after scheelite pseudomorphs. |
| Habit: | semi-fibrous |
| Colour: | dark green |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | β9 photos of Actinolite associated with Quartz at this locality. |
| Scheelite | β8 photos of Actinolite associated with Scheelite at this locality. |
| Clinozoisite | β4 photos of Actinolite associated with Clinozoisite at this locality. |
| Ferberite | β3 photos of Actinolite associated with Ferberite at this locality. |
| Albite | β3 photos of Actinolite associated with Albite at this locality. |
| Enstatite | β2 photos of Actinolite associated with Enstatite at this locality. |
| Marialite | β1 photo of Actinolite associated with Marialite at this locality. |
| Data |
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| Mineral Data: | Click here to view Actinolite data |
| Locality Data: | Click here to view Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 131459 |
| Long-form Identifier: | 1:3:131459:5 |
| GUID (UUID V4): | 8556f2fa-5cb7-4a78-9efa-eca8a5f3c038 |
| Nearest other occurrences of Actinolite |
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| 0.4km (0.2 miles) | βOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 4.8km (3.0 miles) | βLane's Mine (Lane's Lead and Silver Mine; Elm Street), Monroe, Fairfield County, Connecticut, USA |
| 7.5km (4.7 miles) | βNew England Materials quarry, Monroe, Fairfield County, Connecticut, USA |
| 11.0km (6.9 miles) | βLittle Laurel Lime Park, Seymour, New Haven County, Connecticut, USA |
| 13.1km (8.2 miles) | βRedding (Reading), Fairfield County, Connecticut, USA |
| 18.9km (11.7 miles) | βLambert Road serpentinite, Orange, New Haven County, Connecticut, USA |
| 22.7km (14.1 miles) | βRidgefield, Fairfield County, Connecticut, USA |
| 22.8km (14.2 miles) | βU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 23.4km (14.6 miles) | βNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 29.8km (18.5 miles) | βYork Hill, Hamden, New Haven County, Connecticut, USA |
| References |
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Old Mine Park, Long Hill, Trumbull, Fairfield County, Connecticut, USA