| Locality type: | Mine |
| Classification |
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| Species: | 'Psilomelane' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals: |
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| Associates: | Pyrolusite
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| Data |
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| Mineral Data: | Click here to view Psilomelane data |
| Locality Data: | Click here to view Fort Baker Mine (Porter Ranch prospect; Porter Ranch deposit), Lone Star Junction, Humboldt County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 325280 |
| Long-form Identifier: | 1:3:325280:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Psilomelane |
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| 22.5km (14.0 miles) | ⓘCharles Mountain Mine (Charles Mountain prospect; Charles Mountain deposit; Woods Mine; Woods claim; Weed; Hall), Bridgeville, Humboldt County, California, USA |
| 59.3km (36.8 miles) | ⓘArmstrong No. 2 prospect (Savage Nos. 2 and 3 prospects), Armstrong property, Shannon Butte, Trinity County, California, USA |
| 60.5km (37.6 miles) | ⓘFoss prospect (Skaggs), South Dubakella Mountain, Upper Hayfork Creek area, Klamath Mountains, Trinity County, California, USA |
| 60.5km (37.6 miles) | ⓘBarry Creek Mine (Liberty Mine group), Ruth, Trinity County, California, USA |
| 63.7km (39.6 miles) | ⓘWeed prospect (Ward), Red Mountain, Upper Hayfork Creek area, Klamath Mountains, Trinity County, California, USA |
| 65.9km (40.9 miles) | ⓘLucky Sunday and Billy Sunday claims (Lucky Sunday claim; Billy Sunday claim), Three Forks, Trinity County, California, USA |
| 68.9km (42.8 miles) | ⓘBlue Jay Mine (Blue Jay claim; Blue Bird Mine; McKnight; McKnight), Three Forks, Trinity County, California, USA |
| 69.3km (43.0 miles) | ⓘTrout Creek No. 1 Mine, Red Mountain, Trinity County, California, USA |
| 86.9km (54.0 miles) | ⓘBlackies Hill claims, Lookout Peak, Klamath Mountains, Shasta County, California, USA |
| 93.3km (58.0 miles) | ⓘLeep prospect (Leap prospect), Bowman Place, Coastal Range, California, USA |
| References |
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