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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Porphyry from
Wild Tiger Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Type:Porphyry
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Porphyry data
Locality Data:Click here to view Wild Tiger Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1044160
Long-form Identifier:1:3:1044160:4
GUID (UUID V4):0
Nearest other occurrences of Porphyry
18.2km (11.3 miles) ⓘSnowy Range Mine, Lake Albion, Boulder County, Colorado, USA
19.2km (11.9 miles) ⓘFree Gold; Mareau, Independence Mining District (Perigo Mining District), Gilpin County, Colorado, USA
25.1km (15.6 miles) ⓘSpur Daisy, Eureka Mining District, Gilpin County, Colorado, USA
25.1km (15.6 miles) ⓘTwo Sisters occurrence, Eureka Mining District, Gilpin County, Colorado, USA
25.2km (15.7 miles) ⓘGerman and Belcher, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
26.8km (16.7 miles) ⓘPewabic Occurrence, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
29.1km (18.1 miles) ⓘFranklin (Oro Fino; & Mary F Occurrence), Independent, Clear Creek County, Colorado, USA
35.8km (22.2 miles) ⓘLizzie S, Chicago Creek, Clear Creek County, Colorado, USA
43.0km (26.7 miles) ⓘSunburst - Astor, Georgetown District, Clear Creek County, Colorado, USA
61.8km (38.4 miles) ⓘAtlantic Mine, Montezuma Area, Summit County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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