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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Annite from
Booker West Quarry, Bowdoin, Sagadahoc County, Maine, USA


Locality type:Quarry
Classification
Species:Annite
Formula:KFe32+(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Annite data
Locality Data:Click here to view Booker West Quarry, Bowdoin, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:514476
Long-form Identifier:1:3:514476:1
GUID (UUID V4):0
Nearest other occurrences of Annite
2.0km (1.3 miles) ⓘWallace Trufant Prospect, Bowdoinham, Sagadahoc County, Maine, USA
2.8km (1.8 miles) ⓘHavey #1 & #2 Quarries, Topsham, Sagadahoc County, Maine, USA
3.0km (1.9 miles) ⓘBooker Quarry, Topsham, Sagadahoc County, Maine, USA
3.5km (2.2 miles) ⓘTrenton Quarry, Topsham, Sagadahoc County, Maine, USA
3.7km (2.3 miles) ⓘCoombs Quarries, Bowdoin, Sagadahoc County, Maine, USA
4.5km (2.8 miles) ⓘSquare Pit (Consolidated #4 Quarry), Topsham, Sagadahoc County, Maine, USA
4.6km (2.8 miles) ⓘWilliam Willes #1 Quarry, Topsham, Sagadahoc County, Maine, USA
5.1km (3.2 miles) ⓘMallet Quarry, Topsham, Sagadahoc County, Maine, USA
5.3km (3.3 miles) ⓘFisher Quarry, Topsham, Sagadahoc County, Maine, USA
6.3km (3.9 miles) ⓘTwin Pits Quarry, Cathance River Nature Preserve, Topsham, Sagadahoc County, Maine, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
 
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