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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Tetrahedrite Subgroup from
Heath Steele mine (Little River mine; Little River Joint Venture), Northesk Parish, Northumberland Co., New Brunswick, Canada


Locality type:Mine
Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view Heath Steele mine (Little River mine; Little River Joint Venture), Northesk Parish, Northumberland Co., New Brunswick, Canada
Data Identifiers
Mindat Occurrence Record ID:68268
Long-form Identifier:1:3:68268:2
GUID (UUID V4):0
Nearest other occurrences of Tetrahedrite Subgroup
12.2km (7.6 miles) ⓘCaptain North extension, Northesk Parish, Northumberland Co., New Brunswick, Canada
14.6km (9.1 miles) ⓘCNE deposit, Bathurst Mining Camp, Bathurst Parish, Gloucester Co., New Brunswick, Canada
21.4km (13.3 miles) ⓘQSR deposit, Bathurst Mining Camp, Bathurst Parish, Gloucester Co., New Brunswick, Canada
23.4km (14.6 miles) ⓘBrunswick No. 6 Mine, Bathurst Mining Camp, Bathurst Parish, Gloucester Co., New Brunswick, Canada
25.3km (15.7 miles) ⓘBrunswick No. 12 mine (Brunswick Mining & Smelting Corp. No. 12 mine), Bathurst Mining Camp, Bathurst Parish, Gloucester Co., New Brunswick, Canada
33.0km (20.5 miles) ⓘKey Anacon mine, Bathurst Parish, Gloucester Co., New Brunswick, Canada
37.1km (23.1 miles) ⓘMurray Brook mine, Balmoral Parish, Restigouche Co., New Brunswick, Canada
39.9km (24.8 miles) ⓘMcMaster deposit, Colborne Parish, Restigouche Co., New Brunswick, Canada
50.0km (31.1 miles) ⓘCaribou mine, Bathurst Mining Camp, Colborne Parish, Restigouche Co., New Brunswick, Canada
54.3km (33.8 miles) ⓘNigadoo Mine (Nigadoo River Mine), Beresford Parish, Gloucester Co., New Brunswick, Canada
References
Sutherland, J. K. (1967) The chemistry of some New Brunswick pyrites. The Canadian Mineralogist, 9 (1) 71-84
 
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