| Locality type: | Mine |
| Classification |
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| Species: | 'Apophyllite Group' (not an IMA approved species) |
| Formula: | AB4[Si8O20]X · 8H2O |
| Habit: | rossettes of tabular crystals |
| Colour: | colorless |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Analcime | 7 |
| Calcite | 3 |
| Natrolite | 3 |
| Chlorite Group | 3 |
| Ruizite | 2 |
| Clinopyroxene Subgroup | 2 |
| Feldspar Group | 1 |
| Quartz | 1 |
| Data |
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| Mineral Data: | Click here to view Apophyllite Group data |
| Locality Data: | Click here to view Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA |
| Photo Gallery | View Gallery (9 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 32616 |
| Long-form Identifier: | 1:3:32616:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Apophyllite Group |
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| 37.0km (23.0 miles) | ⓘSilver Hill Quarry, Bowmansville, Brecknock Township, Lancaster County, Pennsylvania, USA |
| 40.6km (25.3 miles) | ⓘFritz Island Mines, Cumru Township, Berks County, Pennsylvania, USA |
| 45.4km (28.2 miles) | ⓘGrace Mine, Morgantown, Berks County, Pennsylvania, USA |
| 49.4km (30.7 miles) | ⓘH&K Birdsboro Materials Quarry (Dyer Trap Rock Quarry; Hay Creek Trap Rock Quarry), Hay Creek, Birdsboro, Berks County, Pennsylvania, USA |
| 56.5km (35.1 miles) | ⓘZeolite locality, Dillsburg, York County, Pennsylvania, USA |
| 57.4km (35.6 miles) | ⓘTrap Quarry, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA |
| 58.7km (36.5 miles) | ⓘFrench Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA |
| 91.0km (56.5 miles) | ⓘLenni, Middletown Township, Delaware County, Pennsylvania, USA |
| References |
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Cornwall Mines, Cornwall Borough, Lebanon County, Pennsylvania, USA