| Classification |
|---|
|
| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Confirmation |
|---|
|
| 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 Egyptian Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 383795 |
| Long-form Identifier: | 1:3:383795:5 |
| GUID (UUID V4): | 848a47a8-cbcb-4e56-bb78-a959e38164ac |
| Nearest other occurrences of Hornblende Root Name Group |
|---|
|
|
| 0.1km (0.1 miles) | ⓘNathaniel Pope, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 0.7km (0.4 miles) | ⓘBismark-Ida Florence Groups, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 0.9km (0.6 miles) | ⓘColumbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 2.8km (1.7 miles) | ⓘEdison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 14.3km (8.9 miles) | ⓘGreen Granite quarry, McGees Station, Pennington County, South Dakota, USA |
| 29.0km (18.0 miles) | ⓘKeystone Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 30.9km (19.2 miles) | ⓘHelen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 63.2km (39.3 miles) | ⓘTwin Peaks, Lead Mining District, Lawrence County, South Dakota, USA |
| 72.5km (45.0 miles) | ⓘBear Town, Lawrence County, South Dakota, USA |
| References |
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