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Plagioclase from
Middle Island, Picnic Islands, Marquette, Marquette County, Michigan, USA


Locality type:Island
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Middle Island, Picnic Islands, Marquette, Marquette County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:405126
Long-form Identifier:1:3:405126:8
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
3.5km (2.2 miles) ⓘUnnamed locality, Marquette, Marquette County, Michigan, USA
41.0km (25.5 miles) ⓘUnnamed outcrop, Humboldt Township, Marquette County, Michigan, USA
43.4km (26.9 miles) ⓘEast Eagle Mine, Michigamme Township, Marquette County, Michigan, USA
44.7km (27.8 miles) ⓘYellow Dog peridotite, Michigamme Township, Marquette County, Michigan, USA
83.5km (51.9 miles) ⓘHemlock Formation (2), Crystal Falls Township, Iron County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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