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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Tuff from
Marble Mountain Deposit, Jasper, Rio Grande County, Colorado, USA


Locality type:Deposit
Classification
Type:Tuff
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tuff data
Locality Data:Click here to view Marble Mountain Deposit, Jasper, Rio Grande County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1047299
Long-form Identifier:1:3:1047299:6
GUID (UUID V4):0
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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