| Locality type: | Mine |
| Classification |
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| Species: | 'Stilbite Subgroup' (not an IMA approved species) |
| Formula: | M6-7[Al8-9Si27-28O72] · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Stilbite Subgroup data |
| Locality Data: | Click here to view Fritz Island Mines, Cumru Township, Berks County, Pennsylvania, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 489347 |
| Long-form Identifier: | 1:3:489347:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Stilbite Subgroup |
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| 7.0km (4.3 miles) | ⓘDyer Quarry, Gibraltar, Birdsboro, Berks County, Pennsylvania, USA |
| 11.1km (6.9 miles) | ⓘH&K Birdsboro Materials Quarry (Dyer Trap Rock Quarry; Hay Creek Trap Rock Quarry), Hay Creek, Birdsboro, Berks County, Pennsylvania, USA |
| 14.0km (8.7 miles) | ⓘSilver Hill Quarry, Bowmansville, Brecknock Township, Lancaster County, Pennsylvania, USA |
| 15.4km (9.6 miles) | ⓘGrace Mine, Morgantown, Berks County, Pennsylvania, USA |
| 16.2km (10.1 miles) | ⓘJones mine, Caernarvon Township, Berks County, Pennsylvania, USA |
| 21.1km (13.1 miles) | ⓘTrap Quarry, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA |
| 22.2km (13.8 miles) | ⓘKeim's Mine, French Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA |
| 38.5km (23.9 miles) | ⓘKibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery County, Pennsylvania, USA |
| 40.6km (25.3 miles) | ⓘCornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA |
| 54.1km (33.6 miles) | ⓘRock Hill Quarry, Rock Hill, East Rockhill Township, Bucks County, Pennsylvania, USA |
| References |
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