| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Blue Sky mine, Conejos County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 433351 |
| Long-form Identifier: | 1:3:433351:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 22.6km (14.0 miles) | ⓘDee Stock Occurrence, Platoro Mining District (Ute Mining District), Conejos County, Colorado, USA |
| 28.8km (17.9 miles) | ⓘMammoth Revenue Mine (Mammoth Mine), Platoro Mining District (Ute Mining District), Conejos County, Colorado, USA |
| 29.1km (18.1 miles) | ⓘParole Mine (Parole Group; Patented Claims: Parole; MS 6606; Parole No. 2; MS 6606), Platoro Mining District (Ute Mining District), Conejos County, Colorado, USA |
| 29.6km (18.4 miles) | ⓘValley Queen Mine (Platoro Tunnel; Ajax Nos. 1-10; Texas; Snowstorm; Platoro Tunnel Site; Valley King; Valley Queen Group; Patented Claims: Valley Queen; Shasta), Platoro Mining District (Ute Mining District), Conejos County, Colorado, USA |
| 29.9km (18.6 miles) | ⓘVera Breccia Pipe Occurrence, Platoro Mining District (Ute Mining District), Conejos County, Colorado, USA |
| 38.5km (23.9 miles) | ⓘAztec Mine, Summitville Mine, Summitville, Rio Grande County, Colorado, USA |
| 57.9km (36.0 miles) | ⓘTreasure Falls locality, Wolf Creek Pass, Mineral County, Colorado, USA |
| 71.1km (44.2 miles) | ⓘDel Norte Thunder Egg beds, Saguache County, Colorado, USA |
| 80.1km (49.8 miles) | ⓘColorado Fluorspar Company Mine, Wagon Wheel Gap, Mineral County, Colorado, USA |
| 80.3km (49.9 miles) | ⓘLa Garita, Saguache County, Colorado, USA |
| References |
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