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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Gummite from
Tamminen Quarry, Greenwood, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:'Gummite' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gummite data
Locality Data:Click here to view Tamminen Quarry, Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:220489
Long-form Identifier:1:3:220489:5
GUID (UUID V4):0
Nearest other occurrences of Gummite
8.5km (5.3 miles) ⓘWardwell Quarry (Pechnic Quarry), Albany, Oxford County, Maine, USA
13.9km (8.6 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
29.6km (18.4 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
29.6km (18.4 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
33.6km (20.9 miles) ⓘBlack Mountain Quarry, Rumford, Oxford County, Maine, USA
35.3km (21.9 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
89.8km (55.8 miles) ⓘConsolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
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