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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Acanthite from
Silver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada


Locality type:Mine
Classification
Species:Acanthite
Formula:Ag2S
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Silver3
Calcite2
Data
Mineral Data:Click here to view Acanthite data
Locality Data:Click here to view Silver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:39
Long-form Identifier:1:3:39:0
GUID (UUID V4):0
Nearest other occurrences of Acanthite
13.0km (8.1 miles) ⓘArsenic occurrence (Cross Property), Edward Island, Porphyry Island Township, Thunder Bay District, Ontario, Canada
15.3km (9.5 miles) ⓘEdward Island, Porphyry Island Township, Thunder Bay District, Ontario, Canada
24.7km (15.4 miles) ⓘSilver Harbour Mine (Beck Mine; Three A Mine; 3 A), MacGregor Township, Thunder Bay District, Ontario, Canada
26.3km (16.4 miles) ⓘ7Z Mine, MacGregor Township, Thunder Bay District, Ontario, Canada
27.8km (17.3 miles) ⓘMcKellar Island (South McKellar Island), Spar and Victoria Islands Area, Thunder Bay District, Ontario, Canada
31.6km (19.6 miles) ⓘThunder Bay Mine, MacGregor Township, Thunder Bay District, Ontario, Canada
34.0km (21.1 miles) ⓘShuniah Mine (Duncan), McIntyre Township, Thunder Bay District, Ontario, Canada
42.5km (26.4 miles) ⓘSpar Island (Prince Location), Spar and Victoria Islands Area, Thunder Bay District, Ontario, Canada
42.8km (26.6 miles) ⓘPrince's Mine, Blake Township, Thunder Bay District, Ontario, Canada
44.3km (27.5 miles) ⓘJarvis Island (Westfield mine), Spar and Victoria Islands Area, Thunder Bay District, Ontario, Canada
References
Wilson, Wendell E. (1986) Famous Mineral Localities: the Silver Islet Mine, Ontario. The Mineralogical Record, 17 (1) 49-60
 
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