| Locality type: | Mine |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Kentrolite | 1 |
| Vanadinite | 1 |
| Quartz | 1 |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view Big Chief Mine, Percha Creek, Hillsboro, Hillsboro Mining District, Sierra County, New Mexico, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1229995 |
| Long-form Identifier: | 1:3:1229995:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal-AN |
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| 64.4km (40.0 miles) | ⓘCross Mountain Road, Pinos Altos Mining District, Grant County, New Mexico, USA |
| 65.8km (40.9 miles) | ⓘNew Mexico Highway 1 roadcut, Sierra County, New Mexico, USA |
| 67.4km (41.9 miles) | ⓘThe Clearing, Taylor Creek Tin Mining District (Black Range Tin District), Sierra County, New Mexico, USA |
| 68.8km (42.8 miles) | ⓘBeryllium Virgin claim, Paramount Canyon, Sierra County, New Mexico, USA |
| 89.9km (55.9 miles) | ⓘMerry Widow Mine, White Signal Mining District, Grant County, New Mexico, USA |
| References |
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Big Chief Mine, Percha Creek, Hillsboro, Hillsboro Mining District, Sierra County, New Mexico, USA