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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Calcite from
Robinson and Bowman; Lost Frontier Prospect, Hope Mining District, Kenai Peninsula Borough, Alaska, USA


Locality type:Prospect
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Robinson and Bowman; Lost Frontier Prospect, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:588496
Long-form Identifier:1:3:588496:4
GUID (UUID V4):0
Nearest other occurrences of Calcite
5.9km (3.7 miles) ⓘGold Stamp Mining Co. Mine, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
6.0km (3.7 miles) ⓘUnnamed Prospect (ARDF - SR016; near Bonanza Creek), Hope Mining District, Kenai Peninsula Borough, Alaska, USA
6.0km (3.7 miles) ⓘCoon and Plowman Prospect, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
6.1km (3.8 miles) ⓘKenai Star; French Mine, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
6.9km (4.3 miles) ⓘUnnamed Prospect (ARDF - SR021; near Bonanza Creek); Downing, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
8.1km (5.0 miles) ⓘHirshey and Carlson; Swetmann-New Hope; Miller Mining Co. Mine, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
9.3km (5.8 miles) ⓘTeddy Bear Prospect, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
9.4km (5.8 miles) ⓘHirshey-Lucky Strike; Lucky Strike; Swetmann Mine, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
14.9km (9.3 miles) ⓘGilpatrick; Frenchy Creek Prospect, Hope Mining District, Kenai Peninsula Borough, Alaska, USA
16.5km (10.2 miles) ⓘBird Point; Conway; Centennial Mine, Hope Mining District, Anchorage, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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