Offretite from
Roadside Quarry, Ritter, Grant County, Oregon, USA
| Locality type: | Quarry | |
| Classification | ||
|---|---|---|
| Species: | Offretite | |
| Formula: | KCaMg(Si13Al5)O36 · 15H2O | |
| Comments: | Probably Erionite. The zeolite mineral species epitaxially overgrown on lévyne in all cases is identified as erionite (Passaglia et al., 1998). Passaglia, E., Artioli, G., & Gualtieri, A. (1998). Crystal chemistry of the zeolites erionite and offretite. American Mineralogist, 83(5-6), 577-589. | |
| Confirmation | ||
| Validity: | Unconfirmed/Questioned | |
| Associated Minerals Based on Photo Data: | ||
| Lévyne | 3 | |
| Data | ||
| Mineral Data: | Click here to view Offretite data | |
| Locality Data: | Click here to view Roadside Quarry, Ritter, Grant County, Oregon, USA | |
| Photo Gallery | View Gallery (2 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 105941 | |
| Long-form Identifier: | 1:3:105941:0 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Offretite | ||
| 0.5km (0.3 miles) | ⓘUpper Ritter Quarry, Ritter, Grant County, Oregon, USA | |
| 4.0km (2.5 miles) | ⓘMiddle Fork Cliffs, Ritter, Grant County, Oregon, USA | |
| 15.0km (9.3 miles) | ⓘDevils Backbone, North Fork John Day River, Grant County, Oregon, USA | |
| 38.9km (24.2 miles) | ⓘBeech Creek Quarry, Mount Vernon, Grant County, Oregon, USA | |
| 48.1km (29.9 miles) | ⓘBurnt Cabin Creek, Spray, Wheeler County, Oregon, USA | |
| References | ||
Roadside Quarry, Ritter, Grant County, Oregon, USA