| Locality type: | Mine |
| Classification |
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| Species: | 'Serpentine Subgroup' (not an IMA approved species) |
| Formula: | D3[Si2O5](OH)4 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Magnetite | 2 |
| Pyrite | 1 |
| Chlorite Group | 1 |
| Data |
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| Mineral Data: | Click here to view Serpentine Subgroup data |
| Locality Data: | Click here to view Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 146702 |
| Long-form Identifier: | 1:3:146702:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Serpentine Subgroup |
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| 39.7km (24.7 miles) | ⓘCodorus Stone & Supply Co. Quarry, Emigsville, East Manchester Township, York County, Pennsylvania, USA |
| 40.6km (25.3 miles) | ⓘFritz Island Mines, Cumru Township, Berks County, Pennsylvania, USA |
| 48.0km (29.8 miles) | ⓘJones mine, Caernarvon Township, Berks County, Pennsylvania, USA |
| 54.4km (33.8 miles) | ⓘWarwick Mines, Warwick (Saint Marys), Warwick Township, Chester County, Pennsylvania, USA |
| 61.0km (37.9 miles) | ⓘMaryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry), Cardiff, Harford County, Maryland, USA |
| 62.7km (39.0 miles) | ⓘWet Pit Slaymaker Property, Fulton Township, Lancaster County, Pennsylvania, USA |
| 63.0km (39.2 miles) | ⓘDinning Rutile prospect, Clermont Mills, Harford County, Maryland, USA |
| 63.1km (39.2 miles) | ⓘJenkins Mine (Jenkins Corner; North Rock Springs), Fulton Township, Lancaster County, Pennsylvania, USA |
| 63.4km (39.4 miles) | ⓘRock Springs Run, Fulton Township, Lancaster County, Pennsylvania, USA |
| 63.7km (39.6 miles) | ⓘPreston Farm Pits, Cecil County, Maryland, USA |
| References |
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Cornwall Mines, Cornwall Borough, Lebanon County, Pennsylvania, USA