Classification |
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Species: | Quartz var: Chalcedony |
Formula: | SiO2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Chalcedony data |
Locality Data: | Click here to view Spruce Street Thunder Egg locality, Berkeley, Alameda County, California, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 572509 |
Long-form Identifier: | 1:3:572509:0 |
GUID (UUID V4): | ba7671ad-3580-415c-b5d0-12f004fd69ef |
Nearest other occurrences of Chalcedony |
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5.6km (3.5 miles) | ⓘUnnamed gemstone occurrence [1], Berkeley, Alameda County, California, USA |
18.9km (11.7 miles) | ⓘSan Francisco, San Francisco County, California, USA |
24.7km (15.3 miles) | ⓘRodeo Beach, Marin County, California, USA |
34.8km (21.6 miles) | ⓘLa Vista Quarry and mill, Hayward, Alameda County, California, USA |
36.5km (22.7 miles) | ⓘBolinas, Marin County, California, USA |
38.6km (24.0 miles) | ⓘAgate Beach, Bolinas, Marin County, California, USA |
61.9km (38.4 miles) | ⓘBella Oak Mine (Belle Oak Mine; Oakville Mine; Bella Union Mine), Oakville, Oakville Mining District, Napa County, California, USA |
62.7km (39.0 miles) | ⓘLa Joya Mine, Oakville, Oakville Mining District, Napa County, California, USA |
72.0km (44.7 miles) | ⓘPescadero Beach Mine, Pescadero, San Mateo County, California, USA |
79.4km (49.3 miles) | ⓘLone Hill Quarry (Mirasson Brothers Quarry), Lone Hill, San Jose, Santa Clara County, California, USA |
References |
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Spruce Street Thunder Egg locality, Berkeley, Alameda County, California, USA