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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Pyrite from
Lady Eleanora Mine (Butterfly), La Plata Mining District (California Mining District), La Plata County, Colorado, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Lady Eleanora Mine (Butterfly), La Plata Mining District (California Mining District), La Plata County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:377916
Long-form Identifier:1:3:377916:3
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.9km (0.6 miles) ⓘGraves, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
1.0km (0.6 miles) ⓘIdaho Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
1.2km (0.8 miles) ⓘMay Day Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
1.5km (0.9 miles) ⓘIncas Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
1.6km (1.0 miles) ⓘComstock Mine, Parrott City, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
2.1km (1.3 miles) ⓘLucky Discovery Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
2.4km (1.5 miles) ⓘMonarch Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
2.4km (1.5 miles) ⓘYellow Eye, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
4.2km (2.6 miles) ⓘCopper Hill Mine, La Plata, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
4.2km (2.6 miles) ⓘCopper Age Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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