Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Biotite gneiss from
Buford Dam site, Buford, Gwinnett County, Georgia, USA


Locality type:Dam
Classification
Type:Biotite gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite gneiss data
Locality Data:Click here to view Buford Dam site, Buford, Gwinnett County, Georgia, USA
Data Identifiers
Mindat Occurrence Record ID:1380759
Long-form Identifier:1:3:1380759:1
GUID (UUID V4):0
Nearest other occurrences of Biotite gneiss
34.1km (21.2 miles) ⓘCox property, Ball Ground, Ball Ground Mining District, Cherokee County, Georgia, USA
35.5km (22.1 miles) ⓘBozeman Mine (Jones Mine), Tate, Pickens County, Georgia, USA
40.3km (25.0 miles) ⓘKellogg Quarry, Stone Mountain-Lithonia Mining District, DeKalb County, Georgia, USA
47.2km (29.3 miles) ⓘChapman Quarry, Lithonia Mining District, DeKalb County, Georgia, USA
70.3km (43.7 miles) ⓘMaddox Mine, Stockbridge, Henry County, Georgia, USA
70.3km (43.7 miles) ⓘT. H. Saxon Mine, Choestoe, Union County, Georgia, USA
88.1km (54.7 miles) ⓘVilla Rica Mine (Sulfur Mining & Railroad Company Pyrite Mine), Villa Rica, Douglas County, Georgia, USA
94.3km (58.6 miles) ⓘBell Mountain Silica Mine, Towns County, Georgia, USA
References
Pamela J. W. Gore, William Witherspoon. (2013) Roadside Geology of Georgia. Mountain Press Publishing Company.
 
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