Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Polybasite from
Benton Mine (Spokane; Big Snowy), Neihart Mining District (Montana Mining District), Cascade County, Montana, USA


Locality type:Mine
Classification
Species:Polybasite
Formula:[Ag6Sb2S7][Ag9CuS4]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Polybasite data
Locality Data:Click here to view Benton Mine (Spokane; Big Snowy), Neihart Mining District (Montana Mining District), Cascade County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:784631
Long-form Identifier:1:3:784631:1
GUID (UUID V4):0
Nearest other occurrences of Polybasite
2.7km (1.7 miles) ⓘBroadwater Mines (Moulton-Broadwater; Silver Belt; Liberty), Neihart Mining District (Montana Mining District), Cascade County, Montana, USA
2.7km (1.7 miles) ⓘMoulton Mine (Compromise), Neihart Mining District (Montana Mining District), Cascade County, Montana, USA
3.0km (1.9 miles) ⓘBig Seven Mine, Neihart Mining District (Montana Mining District), Cascade County, Montana, USA
3.3km (2.0 miles) ⓘFlorence Mine (M&I; Florence-Queen), Neihart Mining District (Montana Mining District), Cascade County, Montana, USA
References
Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825
 
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