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Arsenopyrite from
Sierra Gold Mining Company Mine (Ackley vein; Crouse vein), Downieville, Downieville Mining District, Sierra County, California, USA


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Comments:Sometimes massive.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Sierra Gold Mining Company Mine (Ackley vein; Crouse vein), Downieville, Downieville Mining District, Sierra County, California, USA
Data Identifiers
Mindat Occurrence Record ID:963271
Long-form Identifier:1:3:963271:4
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
2.2km (1.4 miles) ⓘHigh Commission Mine (Big Ledge vein; High Commission vein), Downieville, Downieville Mining District, Sierra County, California, USA
2.8km (1.8 miles) ⓘSierra Standard Mining Company Mine (Sierra Standard Mng Co; Sierra Standard; Baker), Red Ant, Downieville Mining District, Sierra County, California, USA
9.1km (5.6 miles) ⓘEureka Mine, Eureka, Eureka Mining District, Sierra County, California, USA
10.5km (6.5 miles) ⓘUncle Sam Mine (Verrue; Keller; Yates; Simpson; North Fork Mine; Wisconsin Extension; Wisconsin Ext), Forest, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
11.0km (6.9 miles) ⓘSouth Fork group (South Fork Mine; Verdi; Honey Bee; Bullion; Amethyst; Amethyst Extension; Amethyst Ext; Phoebe; Lady Bug; Mable; Marguerite), Forest, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
12.7km (7.9 miles) ⓘOsceola Mine (Osceola group; Red Star Mine; Colorado Mine; Yellow-Jacket Mine; Yellow Jacket Mine), 16 to 1 Mine (Sixteen-to-One Mine; Original Sixteen-to-One Mine), Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
13.2km (8.2 miles) ⓘTightner Mine (Tightner Mines), 16 to 1 Mine (Sixteen-to-One Mine; Original Sixteen-to-One Mine), Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
13.3km (8.2 miles) ⓘEldorado Mine (Terrible; Eldorado Extension; Eldorado Ext), Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
13.3km (8.3 miles) ⓘMugwump Mine (Young America Mine; Diamond Peak Mine), Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
13.6km (8.4 miles) ⓘ16 to 1 Mine (Sixteen-to-One Mine; Original Sixteen-to-One Mine), Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
and/or  
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