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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Siderite from
Nechalacho deposit, Thor Lake syenite complex, Blachford Lake alkaline complex, North Slave Region, Northwest Territories, Canada


Locality type:Deposit
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Nechalacho deposit, Thor Lake syenite complex, Blachford Lake alkaline complex, North Slave Region, Northwest Territories, Canada
Data Identifiers
Mindat Occurrence Record ID:697134
Long-form Identifier:1:3:697134:2
GUID (UUID V4):0
Nearest other occurrences of Siderite
4.0km (2.5 miles) ⓘBlachford Lake alkaline complex, Northwest Territories, Canada
9.2km (5.7 miles) ⓘThor Lake syenite complex, Blachford Lake alkaline complex, Northwest Territories, Canada
18.3km (11.4 miles) ⓘZig vein, East Arm area, Great Slave Lake, Northwest Territories, Canada
42.8km (26.6 miles) ⓘEaster Island Dike, Great Slave Lake, Northwest Territories, Canada
98.8km (61.4 miles) ⓘNegus Mine, Yellowknife, North Slave Region, Northwest Territories, Canada
99.1km (61.6 miles) ⓘCrestaurum mine, Yellowknife, North Slave Region, Northwest Territories, Canada
99.6km (61.9 miles) ⓘCon Mine, Yellowknife, North Slave Region, Northwest Territories, Canada
References
Sheard, E.R. (2010)
Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81
 
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