| Locality type: | Shaft |
| Classification |
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| Species: | Sylvanite |
| Formula: | (Au,Ag)2Te4 |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| References |
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| References: | USGS OFR 1966-87 |
| Data |
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| Mineral Data: | Click here to view Sylvanite data |
| Locality Data: | Click here to view Casino Shaft, Lawson Mining District (Dumont Mining District; Montana Mining District), Clear Creek Co., Colorado, USA |
| Nearest other occurrences of Sylvanite |
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| 0.3km (0.2 miles) | | ⓘGem (Freighter's Friend), Idaho Springs Mining District (Virginia Mining District), Clear Creek Co., Colorado, USA |
| 1.2km (0.7 miles) | | ⓘTom Boy (Treasure Vault; John Paul Jones; Edna Fannie; Golden Treasure), Idaho Springs Mining District (Virginia Mining District), Clear Creek Co., Colorado, USA |
| 3.0km (1.8 miles) | | ⓘWar Dance, Central City Mining District (Central Mining District), Gilpin Co., Colorado, USA |
| 3.3km (2.1 miles) | | ⓘPittsburgh (Notaway East; Notaway Shaft; Notaway West), Central City Mining District (Central Mining District), Gilpin Co., Colorado, USA |
| 21.6km (13.4 miles) | | ⓘEldora, Caribou Mining District, Boulder Co., Colorado, USA |
| 22.2km (13.8 miles) | | ⓘEnterprise Vein Occurrence, Eldora, Caribou Mining District, Boulder Co., Colorado, USA |
| 22.2km (13.8 miles) | | ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson Co., Colorado, USA |
| 28.5km (17.7 miles) | | ⓘKeystone Mine, Magnolia Mining District, Boulder Co., Colorado, USA |
| 28.6km (17.8 miles) | | ⓘMagnolia Vein, Kekionga Mine, Magnolia Mining District, Boulder Co., Colorado, USA |
| 28.7km (17.8 miles) | | ⓘMountain Lion Mine - Keystone vein, Magnolia Mining District, Boulder Co., Colorado, USA |
