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Chalcedony from
Willow Creek, Grand County, Colorado, USA


Locality type:Creek
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Willow Creek, Grand County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:491351
Long-form Identifier:1:3:491351:1
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
13.5km (8.4 miles) ⓘRhyolite flow, Grand Lake Mining District (Wolverine Mining District), Grand County, Colorado, USA
15.3km (9.5 miles) ⓘHot Sulfur Springs, Grand County, Colorado, USA
25.9km (16.1 miles) ⓘWilliams Fork agate occurrence, Grand County, Colorado, USA
32.6km (20.2 miles) ⓘCaribou Mine (Caribou shaft), Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
37.4km (23.2 miles) ⓘSpecimen Mountain, Larimer County, Colorado, USA
37.5km (23.3 miles) ⓘBettig mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
37.6km (23.3 miles) ⓘConger Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
38.9km (24.2 miles) ⓘClyde Mine (Lily Mine; Gale Mine; Hoosier; Western Star), Boulder County, Colorado, USA
40.1km (24.9 miles) ⓘBlack Hawk No. 1 vein, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
40.2km (25.0 miles) ⓘCold Spring Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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