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While externally similar shapes, these two minerals are very different inside.
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Manganite from
Mount Mica Quarry, Paris, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Manganite
Formula:Mn3+O(OH)
Comments:Misidentified black amorphous to XRD manganese oxide stains.
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Manganite data
Locality Data:Click here to view Mount Mica Quarry, Paris, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28233
Long-form Identifier:1:3:28233:0
GUID (UUID V4):0
Nearest other occurrences of Manganite
4.5km (2.8 miles) ⓘBennett Quarry, Buckfield, Oxford 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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