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Biotite from
Badu Hill quarry, Llano, Llano County, Texas, USA


03944450017374752362269.jpg
Phlogopite

Badu Hill quarry, Llano, Llano County, Texas, USA
03944450017374752362269.jpg
Phlogopite

Badu Hill quarry, Llano, Llano County, Texas, USA
01278420017374752379172.jpg
Phlogopite

Badu Hill quarry, Llano, Llano County, Texas, USA
Locality type:Pegmatite
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
Associated Minerals Based on Photo Data:
Zircon3
- var Cyrtolite3
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Badu Hill quarry, Llano, Llano County, Texas, USA
Data Identifiers
Mindat Occurrence Record ID:199822
Long-form Identifier:1:3:199822:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.3km (2.1 miles) ⓘKingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA
5.9km (3.7 miles) ⓘPebble Beach pegmatites, Llano County, Texas, USA
6.1km (3.8 miles) ⓘWilliams pegmatites (Williams Gardens), Llano County, Texas, USA
7.2km (4.5 miles) ⓘBaringer Hill Mine, Bluffton, Llano County, Texas, USA
11.1km (6.9 miles) ⓘKiam pegmatite, Llano County, Texas, USA
13.0km (8.1 miles) ⓘSheridan Copper prospect [includes Rainbow prospect], Burnet County, Texas, USA
16.9km (10.5 miles) ⓘClear Creek pegmatite, Burnet County, Texas, USA
17.7km (11.0 miles) ⓘPavitte Copper prospect, Burnet County, Texas, USA
29.9km (18.6 miles) ⓘRode Ranch pegmatite, Llano County, Texas, USA
54.8km (34.1 miles) ⓘKothman tract, Mason County, Texas, USA
References
Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622
 
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