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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Cassiterite from
Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA


02378200017362162324463.jpg
Cassiterite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
08349380017363122251115.jpg
Cassiterite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
06173270017271981173574.jpg
Cassiterite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
00096030017271981135543.jpg
Cassiterite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
02378200017362162324463.jpg
Cassiterite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
08349380017363122251115.jpg
Cassiterite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
06173270017271981173574.jpg
Cassiterite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
00096030017271981135543.jpg
Cassiterite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
01980060017363122266099.jpg
Cassiterite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
05317900017363122266454.jpg
Cassiterite, etc.

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
06173270017271981173574.jpg
Cassiterite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
02674660017271981242656.jpg
Cassiterite

Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Locality type:Quarry
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Montebrasite3
Zircon2
Autunite2
Spodumene2
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Photo GalleryView Gallery (6 photos)
Data Identifiers
Mindat Occurrence Record ID:28598
Long-form Identifier:1:3:28598:4
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
0.2km (0.1 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.8km (0.5 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.9km (0.6 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.0km (0.6 miles) ⓘWade Quarry (Androscoggin Tourmaline prospect), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.1km (0.7 miles) ⓘGroves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.9km (1.2 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
15.9km (9.9 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
16.8km (10.4 miles) ⓘHibbs Quarry, Mount Rubellite, Hebron, Oxford County, Maine, USA
18.3km (11.4 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
20.0km (12.4 miles) ⓘStreaked Mountain, Hebron, Oxford County, Maine, USA
References
Bastin, E. S. (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. Bulletin 445. US Geological Survey doi:10.3133/b445
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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