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 from
Leiper-Davis Quarry, Fairfield County, South Carolina, USA


Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Leiper-Davis Quarry, Fairfield County, South Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:1359028
Long-form Identifier:1:3:1359028:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.6km (2.2 miles) ⓘAnderson Quarry (Winnsboro Granite Corporation Quarry), Fairfield County, South Carolina, USA
11.8km (7.4 miles) ⓘRion Quarry (Ri/M Quarry), Rion, Fairfield County, South Carolina, USA
18.1km (11.2 miles) ⓘBlair Quarry (Lone Star Industries Inc.; Cement and Construction Materials Group), Fairfield County, South Carolina, USA
23.3km (14.5 miles) ⓘLeitzey Quarry, Newberry County, South Carolina, USA
29.3km (18.2 miles) ⓘDutchmans Creek gabbroic intrusion, Fairfield County, South Carolina, USA
36.3km (22.6 miles) ⓘCasparis Stone Quarry, Lexington County, South Carolina, USA
38.1km (23.7 miles) ⓘFlatrock Quarry, Carlisle, Union County, South Carolina, USA
42.1km (26.2 miles) ⓘColumbia Quarry (Lipscomb Quarry; Palmetto Quarry; Morris & Company), Richland County, South Carolina, USA
50.8km (31.6 miles) ⓘWhittle Quarry, Saluda County, South Carolina, USA
53.6km (33.3 miles) ⓘExcelsior Granite Quarry, Lancaster County, South Carolina, USA
References
Watson, Thomas Leonard (1910) Granites of the southeastern Atlantic States. Bulletin 426. US Geological Survey doi:10.3133/b426
 
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