| Locality type: | Quarry |
| Classification |
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| Species: | Chalcocite |
| Formula: | Cu2S |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcocite data |
| Locality Data: | Click here to view McDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 73221 |
| Long-form Identifier: | 1:3:73221:5 |
| GUID (UUID V4): | de980d16-4cf2-465c-8eb4-6fc372131e58 |
| Nearest other occurrences of Chalcocite |
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| 3.0km (1.8 miles) | ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA |
| 3.0km (1.9 miles) | ⓘHoudaille Quarry, Little Falls Township, Passaic County, New Jersey, USA |
| 4.1km (2.5 miles) | ⓘUnion Building and Construction Quarry, Woodland Park, Passaic County, New Jersey, USA |
| 5.2km (3.2 miles) | ⓘGlen Ridge Mines, Glen Ridge, Essex County, New Jersey, USA |
| 6.3km (3.9 miles) | ⓘAvondale, Nutley, Essex County, New Jersey, USA |
| 7.1km (4.4 miles) | ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA |
| 7.2km (4.5 miles) | ⓘDod Mine, East Orange, Essex County, New Jersey, USA |
| 10.4km (6.4 miles) | ⓘSchuyler Copper Mine, North Arlington, Bergen County, New Jersey, USA |
| 11.1km (6.9 miles) | ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA |
| 14.4km (8.9 miles) | ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA |
| References |
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