| Locality type: | Park |
| Classification |
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| Species: | Diopside |
| Formula: | CaMgSi2O6 |
| Formation: | Primary |
| Comments: | Reported as "coccolite" by Shannon (1921a, 1921b) and repeated by Januzzi, Schooner, Sullivan, etc. Found as an accessory in the marble, generally fine-grained. |
| Habit: | granular to prismatic |
| Colour: | pale green |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Grossular | ⓘ1 photo of Diopside associated with Grossular at this locality. |
| Calcite | ⓘ1 photo of Diopside associated with Calcite at this locality. |
| Data |
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| Mineral Data: | Click here to view Diopside data |
| Locality Data: | Click here to view Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 131472 |
| Long-form Identifier: | 1:3:131472:4 |
| GUID (UUID V4): | 1dd5cc4c-53c8-476b-badf-96683db8cb85 |
| Nearest other occurrences of Diopside |
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| 0.4km (0.2 miles) | ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 4.9km (3.0 miles) | ⓘWeston meteorite (incl Easton; Trumbull; Fairfield), Easton (Weston), Fairfield County, Connecticut, USA |
| 12.8km (8.0 miles) | ⓘStevenson Mine (Burke's Copper Mine), Oxford, New Haven County, Connecticut, USA |
| 15.3km (9.5 miles) | ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA |
| 18.0km (11.2 miles) | ⓘWest Redding grossular locality, Redding (Reading), Fairfield County, Connecticut, USA |
| 18.9km (11.7 miles) | ⓘLambert Road serpentinite, Orange, New Haven County, Connecticut, USA |
| 19.8km (12.3 miles) | ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA |
| 20.9km (13.0 miles) | ⓘSilliman's Verd Antique Quarry, West Haven, New Haven County, Connecticut, USA |
| 21.8km (13.6 miles) | ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA |
| 22.8km (14.2 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| References |
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