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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Porphyry from
Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA


Locality type:Mining District
Classification
Type:Porphyry
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Porphyry data
Locality Data:Click here to view Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1045673
Long-form Identifier:1:3:1045673:0
GUID (UUID V4):0
Localities for Porphyry in this Region
Graflin Mine (Robert H.; E. S.; Hill Top 1-3; Indiana; Amazon; Capital Prize; Morning Star; Dalore; Carrie G.; Baltimore Boy), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
Nearest other occurrences of Porphyry
0.2km (0.1 miles) ⓘDenver City Mine (MS 11792; Patented Claim: Denver City), Green Mountain Mining District (Iris Mining District), Saguache County, Colorado, USA
5.4km (3.3 miles) ⓘGraflin Mine (Robert H.; E. S.; Hill Top 1-3; Indiana; Amazon; Capital Prize; Morning Star; Dalore; Carrie G.; Baltimore Boy), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
18.2km (11.3 miles) ⓘSunset Claims, Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA
20.6km (12.8 miles) ⓘUte Trail Mine (Ute Buck; Ute Warrior; Ute Chief; Ouray; Medicine Man; Ute Squaw; Ute Trail; Wigwam), Vulcan Mining District (Cebolla Mining District; Domingo Mining District), Gunnison County, Colorado, USA
22.3km (13.8 miles) ⓘThorium Prospect (MRDS - 10014445), Goose Creek Mining District, Gunnison County, Colorado, USA
22.6km (14.0 miles) ⓘWhitney Prospect, Goose Creek Mining District, Gunnison County, Colorado, USA
23.9km (14.8 miles) ⓘThorium Prospect (MRDS - 10094684), Goose Creek Mining District, Gunnison County, Colorado, USA
27.7km (17.2 miles) ⓘThorium Prospects (MRDS - 10094687), Goose Creek Mining District, Gunnison County, Colorado, USA
28.8km (17.9 miles) ⓘThorium Prospects (MRDS - 10014572), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
28.9km (18.0 miles) ⓘThroium Prospect (MRDS - 10014567), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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