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


05486350017372590219371.jpg
Calcite

Silver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada
05486350017372590219371.jpg
Calcite

Silver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada
09080020017271973018071.jpg
Calcite

Silver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada
Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Silver15
Skutterudite9
Graphite8
Sphalerite6
Pyrrhotite2
Acanthite2
Nickeline1
Galena1
Chalcopyrite1
Data
Mineral Data:Click here to view Calcite 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:21716
Long-form Identifier:1:3:21716:9
GUID (UUID V4):0
Nearest other occurrences of Calcite
13.0km (8.1 miles) ⓘArsenic occurrence (Cross Property), Edward Island, Porphyry Island Township, Thunder Bay District, Ontario, Canada
14.2km (8.8 miles) ⓘBarite Occurrence, Porphyry 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
27.8km (17.3 miles) ⓘMcKellar Island (South McKellar Island), Spar and Victoria Islands Area, Thunder Bay District, Ontario, Canada
31.1km (19.3 miles) ⓘMcNamara quarry, MacGregor Township, 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
36.5km (22.7 miles) ⓘOsmun Mine, McIntyre Township, Thunder Bay District, Ontario, Canada
38.7km (24.1 miles) ⓘEmmons mine, McIntyre Township, Thunder Bay District, Ontario, Canada
41.2km (25.6 miles) ⓘDetroit-Algoma Mine, McTavish Township, Thunder Bay District, Ontario, Canada
References
Sessional papers (1908) - Legislature of the Province of Ontario, Volume XL Part 1
Wilson, Wendell E. (1986) Famous Mineral Localities: the Silver Islet Mine, Ontario. The Mineralogical Record, 17 (1) 49-60
 
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