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Oligoclase from
Dumortierite Pegmatite Locality (MRDS - 10019821), Madison County, Montana, USA


Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view Dumortierite Pegmatite Locality (MRDS - 10019821), Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:855819
Long-form Identifier:1:3:855819:0
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
85.9km (53.4 miles) ⓘSteward Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
References
Graham and Robertson (1951)
 
and/or  
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