| Locality type: | Mine |
| Classification |
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| Species: | Zircon var: Cyrtolite |
| Formula: | Zr[(SiO4),(OH)4] |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Cyrtolite data |
| Locality Data: | Click here to view Cotopaxi Feldspar Mine (Cotopaxi Feldspar prospect; Henry pegmatite), Cotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 34994 |
| Long-form Identifier: | 1:3:34994:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Cyrtolite |
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| 11.7km (7.3 miles) | ⓘBenton Prospect (Hilltop prospect), Cottonwood Creek Area, Fremont County, Colorado, USA |
| 24.4km (15.2 miles) | ⓘBlue Bird Claim, Hayden Pass Area, Saguache County, Colorado, USA |
| 34.9km (21.7 miles) | ⓘClimax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA |
| 42.8km (26.6 miles) | ⓘBob Cat Mine, Crestone Mining District (Baca Grant Mining District), Saguache County, Colorado, USA |
| 56.3km (35.0 miles) | ⓘClora May Mine, Newett, Buena Vista, Chaffee County, Colorado, USA |
| 68.1km (42.3 miles) | ⓘLake George, Park County, Colorado, USA |
| 85.2km (53.0 miles) | ⓘSnowflake Feldspar Mine, Teller County, Colorado, USA |
| 86.6km (53.8 miles) | ⓘMonazite claims, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA |
| 87.6km (54.4 miles) | ⓘMonzonite Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA |
| References |
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Cotopaxi Feldspar Mine, Cotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA