| Locality type: | Beach |
| Classification |
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| Species: | Prehnite |
| Formula: | Ca2Al2Si3O10(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Native Copper | 100 |
| Cuprite | 35 |
| - var Chalcotrichite | 2 |
| Malachite | 17 |
| Calcite | 17 |
| Basalt | 13 |
| Chalcocite | 2 |
| Native Silver | 2 |
| Data |
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| Mineral Data: | Click here to view Prehnite data |
| Locality Data: | Click here to view French River, Saint Louis County, Minnesota, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1780759 |
| Long-form Identifier: | 1:3:1780759:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Prehnite |
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| 2.5km (1.5 miles) | ⓘTalmadge River, Saint Louis County, Minnesota, USA |
| 4.3km (2.7 miles) | ⓘBig Sucker Creek, Saint Louis County, Minnesota, USA |
| 9.2km (5.7 miles) | ⓘKnife River, Saint Louis County, Minnesota, USA |
| 9.3km (5.8 miles) | ⓘUnnamed Copper Mine, Knife River, Saint Louis County, Minnesota, USA |
| 10.2km (6.3 miles) | ⓘKnife River, Lake County, Minnesota, USA |
| 22.8km (14.2 miles) | ⓘBurlington Bay, Two Harbors, Lake County, Minnesota, USA |
| 25.8km (16.0 miles) | ⓘStewart River, Lake County, Minnesota, USA |
| 33.3km (20.7 miles) | ⓘBuckley Quarry, Amnicon Falls, Douglas County, Wisconsin, USA |
| 34.5km (21.4 miles) | ⓘJohnson Materials Co. Quarry, Douglas County, Wisconsin, USA |
| 34.8km (21.6 miles) | ⓘChippewa Mine, Douglas County, Wisconsin, USA |
| References |
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French River, Saint Louis County, Minnesota, USA