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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Sphalerite from
Peterson Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USA


Locality type:Prospect
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Peterson Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:587391
Long-form Identifier:1:3:587391:3
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
6.5km (4.0 miles) ⓘIron Mask Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
17.3km (10.8 miles) ⓘResurrection Bay Mining Co. Prospects, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
18.0km (11.2 miles) ⓘNorthern Light; Tozier-Lane Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
24.0km (14.9 miles) ⓘMile 4; Mile Four Mining Co. Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
27.8km (17.3 miles) ⓘMile Seven; Mile 7 1/2 Occurrence, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
30.1km (18.7 miles) ⓘBrewer Alaska; Brewster; Mile Seven; Sevenmile Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
34.4km (21.4 miles) ⓘMizpah Ledge; Kennedy; Pullen; Davis Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USA
36.4km (22.6 miles) ⓘSchoonover; Porcupine Quartz No. 1 Prospect, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
39.0km (24.2 miles) ⓘPrimrose Mine, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
40.4km (25.1 miles) ⓘUnnamed Occurrence (ARDF - SR271; on Placer Creek), Seward Mining District, Kenai Peninsula Borough, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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