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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Manganese Oxides from
Cole Quarry, Stoneham, Oxford County, Maine, USA


01832350017368886214121.jpg
Manganese Dendrites

Cole Quarry, Stoneham, Oxford County, Maine, USA
01832350017368886214121.jpg
Manganese Dendrites

Cole Quarry, Stoneham, Oxford County, Maine, USA
07235530017272022718365.jpg
Manganese Dendrites

Cole Quarry, Stoneham, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:'Manganese Oxides' (not an IMA approved species)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Manganese Oxides data
Locality Data:Click here to view Cole Quarry, Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:700796
Long-form Identifier:1:3:700796:5
GUID (UUID V4):0
Nearest other occurrences of Manganese Oxides
2.7km (1.7 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
15.3km (9.5 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
22.1km (13.7 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
24.8km (15.4 miles) ⓘMascot Mine, Gorham, Coos County, New Hampshire, USA
25.1km (15.6 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
25.1km (15.6 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
25.2km (15.7 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
30.6km (19.0 miles) ⓘA.C. Perham Quarry, West Paris, Oxford County, Maine, USA
38.2km (23.7 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
39.0km (24.2 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
References
King, Van (n.d.) Personal communcation.
 
and/or  
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