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 Group from
Western Connecticut State University, Danbury, Fairfield County, Connecticut, USA


Locality type:Construction Site
Classification
Species:'Allanite Group' (not an IMA approved species)
Formula:(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Allanite Group data
Locality Data:Click here to view Western Connecticut State University, Danbury, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:657013
Long-form Identifier:1:3:657013:2
GUID (UUID V4):0
Nearest other occurrences of Allanite Group
3.7km (2.3 miles) ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA
10.4km (6.4 miles) ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
10.6km (6.6 miles) ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA
24.6km (15.3 miles) ⓘBedford, Westchester County, New York, USA
34.7km (21.6 miles) ⓘShaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess County, New York, USA
37.5km (23.3 miles) ⓘPeekskill, Westchester County, New York, USA
38.5km (23.9 miles) ⓘWest Point, Orange County, New York, USA
44.6km (27.7 miles) ⓘVoorhis Quarry, Greenwich, Fairfield County, Connecticut, USA
57.9km (36.0 miles) ⓘVillage of Monroe, Town of Monroe, Orange County, New York, USA
77.7km (48.3 miles) ⓘEdenville, Town of Warwick, Orange County, New York, USA
References
Januzzi, Ronald. E. (1994) Mineral Data Book - Western Connecticut and Environs. Mineralogical Press, Danbury, Connecticut, USA.
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
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