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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Allanite-(Ce) from
Nechalacho deposit, Thor Lake syenite complex, Blachford Lake alkaline complex, North Slave Region, Northwest Territories, Canada


Locality type:Deposit
Classification
Species:Allanite-(Ce)
Formula:(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Allanite-(Ce) 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:140156
Long-form Identifier:1:3:140156:1
GUID (UUID V4):0
Nearest other occurrences of Allanite-(Ce)
9.2km (5.7 miles) ⓘThor Lake syenite complex, Blachford Lake alkaline complex, Northwest Territories, Canada
42.8km (26.6 miles) ⓘEaster Island Dike, Great Slave Lake, Northwest Territories, Canada
References
Pinckston, D. Robert, Smith, Dorian G. W. (1995) Mineralogy of the Lake zone, Thor Lake rare-metals deposit, N.W.T., Canada. Canadian Journal of Earth Sciences, 32 (4) 516-532 doi:10.1139/e95-044
Williams-Jones, A.E., Heiligmann, M., Sheard, E., Macwilliam, K., Pedersen, C.J., Mercer, W., and Trueman, D (2010) The Nechalacho Heavy Rare Earth And Rare Metal Deposit, Thor Lake, Northwest Territories, Canada. Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 335
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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