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Biotite from
Humboldt Mine (Edwards Mine), Humboldt Township, Marquette iron range, Marquette Co., Michigan, USA

Description
Quality of samples:	not specified / average specimens
Confirmation
Validity:	Believed Valid
References
References:	Mineralogy of Michigan (2004) Heinrich & Robinson
Data
Mineral Data:	Click here to view Biotite data
Locality Data:	Click here to view Humboldt Mine (Edwards Mine), Humboldt Township, Marquette iron range, Marquette Co., Michigan, USA

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Current server date and time: 22nd May 2013 12:24:26