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Glauconite from
Fredericktown Mining District, Madison County, Missouri, USA


Locality type:Mining District
Classification
Species:'Glauconite' (not an IMA approved species)
Formula:K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Glauconite data
Locality Data:Click here to view Fredericktown Mining District, Madison County, Missouri, USA
Data Identifiers
Mindat Occurrence Record ID:208459
Long-form Identifier:1:3:208459:6
GUID (UUID V4):0
Nearest other occurrences of Glauconite
91.3km (56.8 miles) ⓘPea Ridge Mine, Washington County, Missouri, USA
References
Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046
 
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