Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Powellite from
Thompson Creek Mine (Tungsten Jim Mine; Salmon River Scheelite Mine), Challis, Bay Horse Mining District, Custer County, Idaho, USA


Locality type:Mine
Classification
Species:Powellite
Formula:Ca(MoO4)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Powellite data
Locality Data:Click here to view Thompson Creek Mine (Tungsten Jim Mine; Salmon River Scheelite Mine), Challis, Bay Horse Mining District, Custer County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:437773
Long-form Identifier:1:3:437773:3
GUID (UUID V4):0
Nearest other occurrences of Powellite
14.3km (8.9 miles) ⓘRamshorn Mine (Beardsley Mine; Excelsior), Ramshorn Mountain, Bay Horse Mining District, Custer County, Idaho, USA
57.1km (35.5 miles) ⓘMcClure No. 2 Occurrence (Copper Creek Occurrence), Stanley Basin Mining District, Custer County, Idaho, USA
80.3km (49.9 miles) ⓘSilver and Lead Bell (Hanni; Hanni Prospect; Silver and Lead Bells Nos. 1-3), Lava Creek Mining District, Custer County, Idaho, USA
80.6km (50.1 miles) ⓘEmpire Occurrence (Phoenix; Vaught), Mackay Mining District (Alder Creek Mining District; White Knob Mining District), Custer County, Idaho, USA
81.0km (50.3 miles) ⓘThe Empire Mine (Phoenix Mine), Mackay area, Custer County, Idaho, USA
82.7km (51.4 miles) ⓘVaught Prospect, Mackay Mining District (Alder Creek Mining District; White Knob Mining District), Custer County, Idaho, USA
References
USGS OFR 2000 - OF-00-239
 
and/or  
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