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
Groves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin 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 Groves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:33487
Long-form Identifier:1:3:33487:3
GUID (UUID V4):0
Nearest other occurrences of Annite
0.2km (0.1 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.3km (0.2 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.1km (0.7 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
7.6km (4.7 miles) ⓘCity quarry, Lewiston, Androscoggin County, Maine, USA
19.0km (11.8 miles) ⓘSabbatus Mountain, Wales, Androscoggin County, Maine, USA
24.0km (14.9 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
26.3km (16.3 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
27.9km (17.3 miles) ⓘState Route 4 road cut, Turner, Androscoggin County, Maine, USA
28.4km (17.7 miles) ⓘBooker Quarry, Topsham, Sagadahoc County, Maine, USA
29.4km (18.3 miles) ⓘCoombs Quarries, Bowdoin, Sagadahoc County, Maine, USA
References
 
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