Classification |
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Species: | Opal |
Formula: | SiO2 · nH2O |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Opal data |
Locality Data: | Click here to view Insulator group, Chalk Mountain, Shasta County, California, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 1007513 |
Long-form Identifier: | 1:3:1007513:7 |
GUID (UUID V4): | 567ef4ae-70cd-4fba-bd12-2c7398f02db6 |
Nearest other occurrences of Opal |
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2.0km (1.2 miles) | ⓘMount Shasta Silica Mine (Shasta Diatomite group), Burney Spring Mountain, Shasta County, California, USA |
2.3km (1.4 miles) | ⓘShasta Diatomite group (Mount Shasta Silica), Burney Spring Mountain, Shasta County, California, USA |
4.2km (2.6 miles) | ⓘLake Britton Quarry, Burney Spring Mountain, Shasta County, California, USA |
4.9km (3.1 miles) | ⓘBurney Mine, Burney Spring Mountain, Shasta County, California, USA |
8.1km (5.0 miles) | ⓘUnnamed Diatomite occurrence [1], Burney Spring Mountain, Shasta County, California, USA |
8.7km (5.4 miles) | ⓘUnnamed Diatomite occurrence [2], Lookout Mountain, Shasta County, California, USA |
13.4km (8.3 miles) | ⓘBurney pit, Burney Spring Mountain, Shasta County, California, USA |
14.1km (8.8 miles) | ⓘUnnamed Diatomite occurrence [3], Brush Mountain, Shasta County, California, USA |
14.9km (9.3 miles) | ⓘVenture II Mine, Haney Mountain, Shasta County, California, USA |
19.7km (12.3 miles) | ⓘGrefco Mine, Haney Mountain, Shasta County, California, USA |
References |
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Reference Search (possible matching items) |
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| | Journal (volume) | STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT. Director DIVISION OF MINES...BRADLEY State Mineralogist JANUARY, 1939 No. CALIFORNIA JOURNAL OF MINES AND GEOLOGY QUARTERLY CHAPTER...BUILDING, SAN FRANCISCO CALIFORNIA 70803 LIBRARY UNIVERSITY OF CALIFORNIA DAVIS 1 DIVISION OF MINES...Field District 8 Miner al Resources of San Diego County 56 GEOLOGIC BRANCH 56 Current Notes Geology...and Oil Possibilities of Southwestern San Diego County— 71) SPECIAL ARTICLES The Prospect for 'Minor |
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