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 Harbour Mine (Beck Mine; Three A Mine; 3 A), MacGregor Township, Thunder Bay District, Ontario, Canada


Locality type:Mine
Classification
Species:Acanthite
Formula:Ag2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Acanthite data
Locality Data:Click here to view Silver Harbour Mine (Beck Mine; Three A Mine; 3 A), MacGregor Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:655478
Long-form Identifier:1:3:655478:1
GUID (UUID V4):0
Nearest other occurrences of Acanthite
5.9km (3.7 miles) ⓘ7Z Mine, MacGregor Township, Thunder Bay District, Ontario, Canada
13.5km (8.4 miles) ⓘThunder Bay Mine, MacGregor Township, Thunder Bay District, Ontario, Canada
17.4km (10.8 miles) ⓘShuniah Mine (Duncan), McIntyre Township, Thunder Bay District, Ontario, Canada
24.7km (15.4 miles) ⓘSilver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada
29.4km (18.2 miles) ⓘEdward Island, Porphyry Island Township, Thunder Bay District, Ontario, Canada
30.3km (18.8 miles) ⓘArsenic occurrence (Cross Property), Edward Island, Porphyry Island Township, Thunder Bay District, Ontario, Canada
38.2km (23.7 miles) ⓘMcKellar Island (South McKellar Island), Spar and Victoria Islands Area, Thunder Bay District, Ontario, Canada
42.9km (26.6 miles) ⓘParsons Mine (Lily of the Valley Mine), Paipoonge Township, Thunder Bay District, Ontario, Canada
44.6km (27.7 miles) ⓘFederal Mine (Copeland's vein), Paipoonge Township, Thunder Bay District, Ontario, Canada
49.3km (30.6 miles) ⓘPrince's Mine, Blake Township, Thunder Bay District, Ontario, Canada
References
Willet Miller (1905) Sessional Papers (Mines Report) By Ontario. Legislative Assembly (11th Session)
Sessional papers (1908) - Legislature of the Province of Ontario, Volume XL Part 1
 
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