| Locality type: | Prospect |
| 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 Old Ironsides prospect, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 332686 |
| Long-form Identifier: | 1:3:332686:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hornblende Root Name Group |
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| 6.2km (3.9 miles) | ⓘHimalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA |
| 31.6km (19.6 miles) | ⓘPala orbicular gabbro deposit, Vanderberg Mine, Vanderberg-Katerina pegmatites, Hiriart Mountain, Pala, Pala Mining District, San Diego County, California, USA |
| 48.8km (30.3 miles) | ⓘJuan Diego Mine No. 1 (Juan Diego No. 1 deposit; Rainbow Mine; Rainbow prospects), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA |
| 73.1km (45.4 miles) | ⓘMirage Trail (Bump-n-Grind Trail), Rancho Mirage, Santa Rosa Mountains, Riverside County, California, USA |
| 77.3km (48.0 miles) | ⓘHazen Corundum prospect (Unnamed Corundum prospect), Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring), San Jacinto Mountains, Riverside County, California, USA |
| 77.5km (48.2 miles) | ⓘUnnamed Corundum occurrences [2], Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring), San Jacinto Mountains, Riverside County, California, USA |
| References |
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