| Locality type: | Mine |
| Classification |
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| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(C42+C3+)(AlSi7O22)W2 |
| Comments: | Occurs as large cleavage masses. |
| Colour: | Black |
| 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 Cosumnes Copper Mine, Fair Play, Fairplay Mining District, El Dorado County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 135754 |
| Long-form Identifier: | 1:3:135754:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hornblende Root Name Group |
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| 0.1km (0.1 miles) | ⓘUnnamed Hornblende occurrence [1], Fair Play, Fairplay Mining District, El Dorado County, California, USA |
| 31.3km (19.4 miles) | ⓘBlodgett Forest pluton, Fairbanks, El Dorado County, California, USA |
| 31.3km (19.5 miles) | ⓘJackson Butte, Amador County, California, USA |
| 33.9km (21.1 miles) | ⓘGarnet Hill Mine (Rheona claim), Garnet Hill, Calaveras County, California, USA |
| 39.5km (24.5 miles) | ⓘDevil Peak, Ralston Divide Mining District, Placer County, California, USA |
| 45.9km (28.5 miles) | ⓘFord Mine (Apex Mine), San Andreas, San Andreas Mining District, Calaveras County, California, USA |
| 64.8km (40.3 miles) | ⓘCarson Hill, Carson Hill Mining District (Melones Mining District), Calaveras County, California, USA |
| 94.8km (58.9 miles) | ⓘUnnamed Au mine [11], Alleghany Mining District (Forest Mining District), Nevada County, California, USA |
| 98.0km (60.9 miles) | ⓘMinnie D Extension Mine, Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USA |
| 98.0km (60.9 miles) | ⓘCapitol Mine, Delaware Mining District, Carson City, Nevada, USA |
| References |
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