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Photography
Chalcedony
from
Great Valley Basin, North America Plate
Myrickite
Knoxville, Knoxville Mining District, Napa County, California, USA
Myrickite
Knoxville, Knoxville Mining District, Napa County, California, USA
Myrickite
Knoxville, Knoxville Mining District, Napa County, California, USA
Myrickite
Knoxville, Knoxville Mining District, Napa County, California, USA
Myrickite
Knoxville, Knoxville Mining District, Napa County, California, USA
Myrickite
Knoxville, Knoxville Mining District, Napa County, California, USA
USA
California
Fresno County
ⓘ
Panoche Hills
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 317.
Blake, Wm. P. (1866), Annotated catalogue of the principal mineral species hitherto recognized n California and the adjoining states and territories
being a report of the California State Board of Agriculture. 31 pp., Sacramento: 9
Glenn County
Black Butte Lake (Black Butte Reservoir)
ⓘ
Black Butte Reservoir occurrences
[
var. Agate
]
Butler (1995), Rockhounding California.
San Benito County
Buck Peak
ⓘ
El Cajon Mine (Clough Mine; Gough Mine; Mathews Mine)
(2005)
Mineral Resources Data System (MRDS)
, US Geological Survey.
and/or
Knoxville, Knoxville Mining District, Napa County, California, USA