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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Trachyte from
Delaware Mine, Rosita Mining District, Custer County, Colorado, USA


Locality type:Mine
Classification
Type:Trachyte
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Trachyte data
Locality Data:Click here to view Delaware Mine, Rosita Mining District, Custer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1044627
Long-form Identifier:1:3:1044627:4
GUID (UUID V4):0
Nearest other occurrences of Trachyte
0.5km (0.3 miles) ⓘRappahannock Prospect, Rosita Mining District, Custer County, Colorado, USA
2.4km (1.5 miles) ⓘSummit Mine, Rosita Mining District, Custer County, Colorado, USA
2.5km (1.5 miles) ⓘNebraska Shaft, Rosita Mining District, Custer County, Colorado, USA
2.6km (1.6 miles) ⓘTwenty-Six Shafts, Rosita Mining District, Custer County, Colorado, USA
2.7km (1.7 miles) ⓘPolonia Shaft, Rosita Mining District, Custer County, Colorado, USA
2.7km (1.7 miles) ⓘLucille Mine, Rosita Mining District, Custer County, Colorado, USA
2.7km (1.7 miles) ⓘStar Mine, Rosita Mining District, Custer County, Colorado, USA
2.8km (1.7 miles) ⓘZebra Prospect, Rosita Mining District, Custer County, Colorado, USA
2.9km (1.8 miles) ⓘAmerican Flag Prospect, Rosita Mining District, Custer County, Colorado, USA
2.9km (1.8 miles) ⓘBrittle Silver Prospect, Rosita Mining District, Custer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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