| Classification |
|---|
|
| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Buena Vista (Umpqua Mine), Tiller-Drew, Douglas County, Oregon, USA |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 470811 |
| Long-form Identifier: | 1:3:470811:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
|---|
|
|
| 0.3km (0.2 miles) | ⓘMaud S. (Oregon Mercury Corp.), Tiller-Drew, Douglas County, Oregon, USA |
| 1.0km (0.6 miles) | ⓘJames R. Occurrence (Pollanz), Tiller-Drew, Douglas County, Oregon, USA |
| 9.0km (5.6 miles) | ⓘPoor Boy Occurrence (Monte Carlo Claims; Crispin; Last Chance), Tiller-Drew, Douglas County, Oregon, USA |
| 15.7km (9.8 miles) | ⓘDrew Occurrence (Jackson), Tiller-Drew, Douglas County, Oregon, USA |
| 37.3km (23.2 miles) | ⓘBull Run Occurrence, Douglas County, Oregon, USA |
| 41.7km (25.9 miles) | ⓘNickel Mountain (Hanna Nickel Mine), Riddle Mining District, Douglas County, Oregon, USA |
| 42.6km (26.4 miles) | ⓘDonaldson Occurrence, Trail Mining District, Jackson County, Oregon, USA |
| 45.9km (28.5 miles) | ⓘMeathead Occurrence, Greenback Mining District (Upper Grave Creek Mining District), Josephine County, Oregon, USA |
| 46.2km (28.7 miles) | ⓘUnnamed Beryllium Claims (MRDS - 10048431), Trail Mining District, Jackson County, Oregon, USA |
| 46.6km (28.9 miles) | ⓘBonanza Mine, Bonanza Area, Douglas County, Oregon, USA |
| References |
|---|
|
|
|
