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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Rhyolite from
Fleetwood Tunnel Occurrence, Silver Cliff Mining District, Custer County, Colorado, USA


Locality type:Occurrence
Classification
Type:Rhyolite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhyolite data
Locality Data:Click here to view Fleetwood Tunnel Occurrence, Silver Cliff Mining District, Custer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1044645
Long-form Identifier:1:3:1044645:0
GUID (UUID V4):0
Nearest other occurrences of Rhyolite
0.1km (0.1 miles) ⓘGeyser Mine (Security - Geyser), Silver Cliff Mining District, Custer County, Colorado, USA
0.1km (0.1 miles) ⓘSilver Cliff Quarry, Silver Cliff Mining District, Custer County, Colorado, USA
0.2km (0.1 miles) ⓘC. H. Connor Mine, Silver Cliff Mining District, Custer County, Colorado, USA
0.3km (0.2 miles) ⓘWestcliffe Mining and Milling Company Deposit, Silver Cliff Mining District, Custer County, Colorado, USA
0.5km (0.3 miles) ⓘKing of the Valley Mine, Silver Cliff Mining District, Custer County, Colorado, USA
0.8km (0.5 miles) ⓘNew Pit Prospect, Silver Cliff Mining District, Custer County, Colorado, USA
0.8km (0.5 miles) ⓘCarbonate Prospect, Silver Cliff Mining District, Custer County, Colorado, USA
0.9km (0.5 miles) ⓘBoulder - Mine (Boulder - Buffalo; Buffalo Hunter), Silver Cliff Mining District, Custer County, Colorado, USA
0.9km (0.6 miles) ⓘKate Mine (Silver Bar; King of the Carbonate Shaft?), Silver Cliff Mining District, Custer County, Colorado, USA
1.3km (0.8 miles) ⓘWildcat Mine (New Hope), Silver Cliff Mining District, Custer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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