| Locality type: | Mine |
| Classification |
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| Species: | Almandine |
| Formula: | Fe32+Al2(SiO4)3 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | 1 |
| Data |
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| Mineral Data: | Click here to view Almandine data |
| Locality Data: | Click here to view Holy Terror Mine, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 68581 |
| Long-form Identifier: | 1:3:68581:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Almandine |
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| 0.9km (0.5 miles) | ⓘKeystone Tunnel, Pennington County, South Dakota, USA |
| 1.1km (0.7 miles) | ⓘHighway 16A, Keystone Mining District, Pennington County, South Dakota, USA |
| 1.9km (1.2 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.0km (1.9 miles) | ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.0km (1.9 miles) | ⓘHugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.6km (2.2 miles) | ⓘTepee Gulch Area, Keystone Mining District, Pennington County, South Dakota, USA |
| 8.3km (5.2 miles) | ⓘRockerville, Pennington County, South Dakota, USA |
| 13.7km (8.5 miles) | ⓘU.S. highways 16/385 & State route 87 intersection area, Oreville Mining District, Pennington County, South Dakota, USA |
| 17.7km (11.0 miles) | ⓘUS highway 16 roadside occurrence, Custer County, South Dakota, USA |
| 21.2km (13.2 miles) | ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| References |
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Holy Terror Mine, Keystone Gold Mining District, Pennington County, South Dakota, USA