| Locality type: | Quarry |
| Classification |
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| Species: | 'Chlorite Group' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | ⓘ1 photo of Chlorite Group associated with Quartz at this locality. |
| Adularia | ⓘ1 photo of Chlorite Group associated with Adularia at this locality. |
| Data |
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| Mineral Data: | Click here to view Chlorite Group data |
| Locality Data: | Click here to view Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 132872 |
| Long-form Identifier: | 1:3:132872:1 |
| GUID (UUID V4): | d49fdb45-830f-4421-bd57-04cfa471fa04 |
| Nearest other occurrences of Chlorite Group |
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| 12.2km (7.6 miles) | ⓘFrench Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA |
| 13.5km (8.4 miles) | ⓘJones mine, Hopewell Mines, Warwick (Saint Marys), Warwick Township, Chester County, Pennsylvania, USA |
| 15.3km (9.5 miles) | ⓘGrace Mine, Morgantown, Berks County, Pennsylvania, USA |
| 20.0km (12.4 miles) | ⓘWheatley Mines, Schuylkill Township, Chester County, Pennsylvania, USA |
| 23.2km (14.4 miles) | ⓘDyer Quarry, Gibraltar, Birdsboro, Berks County, Pennsylvania, USA |
| 26.0km (16.2 miles) | ⓘBlue Ball Stone Co. Quarry, Blue Ball, East Earl Township, Lancaster County, Pennsylvania, USA |
| 29.5km (18.3 miles) | ⓘFritz Island Mines, Cumru Township, Berks County, Pennsylvania, USA |
| 31.5km (19.6 miles) | ⓘBurkholder Quarry, Martindale, Earl Township, Lancaster County, Pennsylvania, USA |
| 31.8km (19.8 miles) | ⓘBlue Hill, Media, Upper Providence Township, Delaware County, Pennsylvania, USA |
| 32.7km (20.3 miles) | ⓘLenni, Middletown Township, Delaware County, Pennsylvania, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Easy-to-understand instructions for recognizing rock formations; glossary. How to identify gem minerals...is a precise explanation of h< to recognize the rock formation* which gems occur. The tabular Gem ... contents fun to hunt for gems 1. It's 2. How 3. Rock formations 4. How 5. Characteristics of important...that comes from opening a nodule or a pocket in rock and being the first to see a sparkling crystal fresh |
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Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, USA