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Biotite from
Pebble Beach pegmatites, Llano County, Texas, USA


Locality type:Pegmatite Field
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 Pebble Beach pegmatites, Llano County, Texas, USA
Data Identifiers
Mindat Occurrence Record ID:201162
Long-form Identifier:1:3:201162:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.7km (1.7 miles) ⓘBaringer Hill Mine, Bluffton, Llano County, Texas, USA
4.2km (2.6 miles) ⓘKingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA
5.9km (3.7 miles) ⓘBadu Hill quarry, Llano, Llano County, Texas, USA
10.8km (6.7 miles) ⓘSheridan Copper prospect [includes Rainbow prospect], Burnet County, Texas, USA
12.0km (7.4 miles) ⓘWilliams pegmatites (Williams Gardens), Llano County, Texas, USA
13.5km (8.4 miles) ⓘClear Creek pegmatite, Burnet County, Texas, USA
15.7km (9.8 miles) ⓘPavitte Copper prospect, Burnet County, Texas, USA
16.9km (10.5 miles) ⓘKiam pegmatite, Llano County, Texas, USA
33.7km (20.9 miles) ⓘRode Ranch pegmatite, Llano County, Texas, USA
54.6km (33.9 miles) ⓘKothman tract, Mason County, Texas, USA
References
Min News 14:6 pp 1,6,7
 
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