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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Tuff from
Red Spring Tunnel, Rosita Mining District, Custer County, Colorado, USA


Locality type:Tunnel
Classification
Type:Tuff
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tuff data
Locality Data:Click here to view Red Spring Tunnel, Rosita Mining District, Custer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1044812
Long-form Identifier:1:3:1044812:0
GUID (UUID V4):0
Nearest other occurrences of Tuff
2.4km (1.5 miles) ⓘP & O Mine, Rosita Mining District, Custer County, Colorado, USA
2.5km (1.6 miles) ⓘNew Shaft, Rosita Mining District, Custer County, Colorado, USA
6.2km (3.9 miles) ⓘBroad Axe Prospect, Rosita Mining District, Custer County, Colorado, USA
7.3km (4.5 miles) ⓘVanderbilt Mine, Silver Cliff Mining District, Custer County, Colorado, USA
7.5km (4.6 miles) ⓘGeyser Mine (Security - Geyser), Silver Cliff Mining District, Custer County, Colorado, USA
7.7km (4.8 miles) ⓘP. D. Q. Shaft, Silver Cliff Mining District, Custer County, Colorado, USA
7.7km (4.8 miles) ⓘLady Franklin Mine, Silver Cliff Mining District, Custer County, Colorado, USA
7.7km (4.8 miles) ⓘSunrise Mine, Silver Cliff Mining District, Custer County, Colorado, USA
8.1km (5.0 miles) ⓘRevelee Property, Silver Cliff Mining District, Custer County, Colorado, USA
8.9km (5.5 miles) ⓘRound Mountain Prospect, Silver Cliff Mining District, Custer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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