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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
Chimney Spring tuff, Washoe County, Nevada, USA


Classification
Type:Tuff
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tuff data
Locality Data:Click here to view Chimney Spring tuff, Washoe County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:1390130
Long-form Identifier:1:3:1390130:1
GUID (UUID V4):0
Nearest other occurrences of Tuff
3.9km (2.4 miles) Red Bluff mine, Pyramid Mining District, Washoe County, Nevada, USA
19.6km (12.2 miles) Tick Canyon, Dogskin Mountain Mining District, Washoe County, Nevada, USA
20.2km (12.5 miles) Sunnyside occurrence, Dogskin Mountain Mining District, Washoe County, Nevada, USA
30.4km (18.9 miles) Iron Prospect #2, Stateline Peak Mining District, Fort Sage Mountains, Washoe County, Nevada, USA
31.1km (19.3 miles) Myra (Stud Mine; Norris Spring No. 7), Olinghouse Mining District (White Horse Mining District), Pah Rah Range (Pah Rah Mts), Washoe County, Nevada, USA
40.1km (24.9 miles) Sundown Claim (Wadsworth Uranium Group), Olinghouse Mining District (White Horse Mining District), Pah Rah Range (Pah Rah Mts), Washoe County, Nevada, USA
46.1km (28.6 miles) Clay Deposit No. 1, Washoe County, Nevada, USA
47.9km (29.8 miles) Gooseberry Mine, Ramsey Mining District, Storey County, Nevada, USA
63.1km (39.2 miles) Wind Mountain Mine, San Emidio Mining District, Washoe County, Nevada, USA
64.7km (40.2 miles) Comstock Lode, Virginia City, Comstock Mining District, Storey County, Nevada, USA
References
 
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