| Locality type: | Prospect |
| 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 Southwestern Illinois Area Underclay prospect (Cheltenham Clay), Canteen Township, St. Clair County, Illinois, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1214010 |
| Long-form Identifier: | 1:3:1214010:7 |
| GUID (UUID V4): | cfe01565-5055-4a40-9ce5-262d9e98c591 |
| Nearest other occurrences of Gypsum |
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| 77.6km (48.2 miles) | ⓘMammoth-Frumet group, Frumet, Jefferson County, Missouri, USA |
| 81.0km (50.3 miles) | ⓘCornwall Mines, Weingarten, Ste. Genevieve County, Missouri, USA |
| 99.3km (61.7 miles) | ⓘPyrite Mine, Stanton, Franklin County, Missouri, USA |
| References |
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