| Locality type: | Quarry |
| Classification |
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| Species: | Offretite |
| Formula: | KCaMg(Si13Al5)O36 · 15H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Lévyne | ⓘ4 photos of Offretite associated with Lévyne at this locality. |
| Cowlesite | ⓘ1 photo of Offretite associated with Cowlesite at this locality. |
| Data |
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| Mineral Data: | Click here to view Offretite data |
| Locality Data: | Click here to view Upper Ritter Quarry, Ritter, Grant County, Oregon, USA |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 105953 |
| Long-form Identifier: | 1:3:105953:3 |
| GUID (UUID V4): | c0da1d63-856c-4afe-b0a5-ef44b8f9df5f |
| Nearest other occurrences of Offretite |
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| 0.5km (0.3 miles) | ⓘRoadside Quarry, Ritter, Grant County, Oregon, USA |
| 4.4km (2.7 miles) | ⓘMiddle Fork Cliffs, Ritter, Grant County, Oregon, USA |
| 15.1km (9.4 miles) | ⓘDevils Backbone, North Fork John Day River, Grant County, Oregon, USA |
| 39.0km (24.3 miles) | ⓘBeech Creek Quarry, Mount Vernon, Grant County, Oregon, USA |
| 48.5km (30.1 miles) | ⓘBurnt Cabin Creek, Spray, Wheeler County, Oregon, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (issue) | | WASHINGTON November 11, 2000 9:30 am to 6:30 pm Clark County P. U. D. Building 1200 Fort Vancouver \Vay Vancouver...Columbia River Oregon 2. DATOLITE FROM THE HALF ROUND ROADCUT, PE ELL, LEWIS COUNTY, WASHINGTON by...of Pe Ell, and northwest of Ryderwood, in Lewis County (N46° 24' 44.1" Wl23 1' 16' 45.4 or NE1/4NEI/4...3000 road. Continue along the 3000 road passing a quarry at 3.1 miles and reachin12: the datolite site 4...associated minerals from Lacamas Creek, Orchards, Clark County, Washington. Micro Probe, V 8, No.8, pp 10-12. |
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Upper Ritter Quarry, Ritter, Grant County, Oregon, USA