| Locality type: | Mine |
| Classification |
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| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(C42+C3+)(AlSi7O22)W2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Hornblende Root Name Group data |
| Locality Data: | Click here to view Edison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 382465 |
| Long-form Identifier: | 1:3:382465:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hornblende Root Name Group |
|---|
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| 1.9km (1.2 miles) | ⓘColumbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 2.7km (1.7 miles) | ⓘNathaniel Pope, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 2.8km (1.7 miles) | ⓘEgyptian Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 3.1km (1.9 miles) | ⓘBismark-Ida Florence Groups, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 16.7km (10.4 miles) | ⓘGreen Granite quarry, McGees Station, Pennington County, South Dakota, USA |
| 28.5km (17.7 miles) | ⓘKeystone Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 30.2km (18.8 miles) | ⓘHelen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 66.0km (41.0 miles) | ⓘTwin Peaks, Lead Mining District, Lawrence County, South Dakota, USA |
| 75.1km (46.7 miles) | ⓘBear Town, Lawrence County, South Dakota, USA |
| References |
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