Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Chalcedony from
Humboldt et al Claims, Cascade, Chicago Creek, Clear Creek County, Colorado, USA


Locality type:Claim
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 Humboldt et al Claims, Cascade, Chicago Creek, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:664846
Long-form Identifier:1:3:664846:6
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
0.4km (0.2 miles) ⓘCharter Oak Prospect (Tyone), Chicago Creek, Clear Creek County, Colorado, USA
0.4km (0.3 miles) ⓘChicago, Black Eagle Group, Lamartine Mining District, Clear Creek County, Colorado, USA
0.5km (0.3 miles) ⓘDixie Mine, Lamartine Mining District, Clear Creek County, Colorado, USA
0.5km (0.3 miles) ⓘSappho, Lamartine Mining District, Clear Creek County, Colorado, USA
0.6km (0.4 miles) ⓘ76 Mine, Lamartine Mining District, Clear Creek County, Colorado, USA
0.8km (0.5 miles) ⓘWallace Tunnel, Lamartine Mining District, Clear Creek County, Colorado, USA
0.8km (0.5 miles) ⓘMohawk, Chicago Creek, Clear Creek County, Colorado, USA
0.9km (0.6 miles) ⓘBig Flat, Chicago Creek, Clear Creek County, Colorado, USA
0.9km (0.6 miles) ⓘHenry Wilson, Lamartine Mining District, Clear Creek County, Colorado, USA
1.1km (0.7 miles) ⓘCape Brenton, Chicago Creek, Clear Creek County, Colorado, USA
References
Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371
 
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