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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Gahnite from
Cobble Hill Quarry (George Howe prospect), West Paris, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Gahnite
Formula:ZnAl2O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gahnite data
Locality Data:Click here to view Cobble Hill Quarry (George Howe prospect), West Paris, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:35799
Long-form Identifier:1:3:35799:9
GUID (UUID V4):0
Nearest other occurrences of Gahnite
5.6km (3.5 miles) ⓘWitt Hill Chrysoberyl locality, Greenwood, Oxford County, Maine, USA
5.6km (3.5 miles) ⓘOhtonen Quarry, Greenwood, Oxford County, Maine, USA
6.4km (4.0 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
6.5km (4.0 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
11.6km (7.2 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
29.6km (18.4 miles) ⓘGroves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
29.6km (18.4 miles) ⓘWade Quarry (Androscoggin Tourmaline prospect), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
29.7km (18.5 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
29.8km (18.5 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
30.5km (19.0 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
References
 
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