| Locality type: | Quarry |
| Classification |
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| Species: | Gypsum |
| Formula: | CaSO4 · 2H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Gypsum data |
| Locality Data: | Click here to view Humberstone quarries, Port Colborne, Niagara Region, Ontario, Canada |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 865904 |
| Long-form Identifier: | 1:3:865904:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Gypsum |
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| 20.2km (12.5 miles) | ⓘCanal dump (Montrose occurrence), Niagara Falls, Niagara Region, Ontario, Canada |
| 24.4km (15.2 miles) | ⓘOld Thorold quarry, Thorold Quarry (Walker Quarry), Thorold Township, Niagara Region, Ontario, Canada |
| 24.7km (15.3 miles) | ⓘThorold Quarry (Walker Quarry), Thorold Township, Niagara Region, Ontario, Canada |
| 24.8km (15.4 miles) | ⓘNew Thorold quarry, Thorold Quarry (Walker Quarry), Thorold Township, Niagara Region, Ontario, Canada |
| 27.9km (17.3 miles) | ⓘBuffalo Cement Company Well 2, Main Street & NY Central RR belt Line, Buffalo, Erie County, New York, USA |
| 29.5km (18.3 miles) | ⓘVineland Quarry, Clinton Township, Niagara Region, Ontario, Canada |
| 31.2km (19.4 miles) | ⓘSpring Creek Aggregates, Clinton Township, Niagara Region, Ontario, Canada |
| 31.3km (19.4 miles) | ⓘLincoln Quarry (Beamsville Quarry), Clinton Township, Niagara Region, Ontario, Canada |
| 32.5km (20.2 miles) | ⓘNiagara Falls Quarry, Niagara, Niagara County, New York, USA |
| 46.9km (29.1 miles) | ⓘVinemount Quarry, Saltfleet Township, Hamilton, Ontario, Canada |
| References |
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