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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Arsenopyrite from
Standard Consolidated Mine, Sumpter, Baker County, Oregon, USA


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Standard Consolidated Mine, Sumpter, Baker County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:250341
Long-form Identifier:1:3:250341:7
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
8.4km (5.2 miles) ⓘGolconda Mine, Baker County, Oregon, USA
8.8km (5.5 miles) ⓘClimax Mine, Bourne (Cracker City), Baker County, Oregon, USA
9.0km (5.6 miles) ⓘColumbia Mine, Bourne (Cracker City), Baker County, Oregon, USA
9.5km (5.9 miles) ⓘEureka and Excelsior Mine (E & E Mine; Cracker Creek Mine), Bourne (Cracker City), Baker County, Oregon, USA
9.6km (6.0 miles) ⓘBelle of Baker Mine, Bourne (Cracker City), Baker County, Oregon, USA
9.6km (6.0 miles) ⓘMammoth Mine, Bourne (Cracker City), Baker County, Oregon, USA
10.0km (6.2 miles) ⓘBald Mountain Mine (Bald Mountain-Ibex Mines; Bald Mountain/Ibex Mine; Nachez Pyrate; Ibex Gold Mining Company), Bald Mountain group, Bourne (Cracker City), Baker County, Oregon, USA
10.8km (6.7 miles) ⓘNorth Pole Mine, Bourne (Cracker City), Baker County, Oregon, USA
10.8km (6.7 miles) ⓘIbex Mine, Bald Mountain group, Grant County, Oregon, USA
12.5km (7.8 miles) ⓘArgonaut Mine (Wilmot; Hemler; George E), Bourne (Cracker City), Baker County, Oregon, USA
References
Valentine, Grant M., Huntting, Marshall T. (1956) Part I - Nonmetallic minerals, in Inventory of Washington Minerals. Bulletin 37, Washington Geological Survey.
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
 
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