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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Limestone from
Stillwell Mountain prospect (Stillwell Ranch), Brewster County, Texas, USA


Locality type:Prospect
Classification
Type:Limestone
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Limestone data
Locality Data:Click here to view Stillwell Mountain prospect (Stillwell Ranch), Brewster County, Texas, USA
Data Identifiers
Mindat Occurrence Record ID:1394728
Long-form Identifier:1:3:1394728:8
GUID (UUID V4):0
Nearest other occurrences of Limestone
12.3km (7.6 miles) Unnamed prospect west of Big Brushy Canyon (EM-BR-T30-1), Black Gap Area, Brewster County, Texas, USA
13.7km (8.5 miles) John Bennett claims (Maravillas claims; Marathon dome prospect), Persimmon Gap, Brewster County, Texas, USA
20.6km (12.8 miles) Dagger Flats, Big Bend National Park, Brewster County, Texas, USA
24.7km (15.3 miles) Unnamed prospect near Maravillas Canyon (EM-BR-T32-1), Black Gap Area, Brewster County, Texas, USA
44.2km (27.5 miles) Unnamed prospect at Abobe Walls Mountain (EM-BR-U26-3), Brewster County, Texas, USA
47.7km (29.6 miles) Unnamed prospects between Corazones Peaks (EM-BR-U27-7), Christmas Mountains, Brewster County, Texas, USA
48.7km (30.2 miles) Unnamed localities near Boquillas (EM-BR-W31-1), Big Bend National Park, Brewster County, Texas, USA
52.0km (32.3 miles) Unnamed prospect at Mount Williams (EM-BR-U27-6), Christmas Mountains, Brewster County, Texas, USA
52.2km (32.4 miles) Christmas Mountain deposit (Piedra Azul), Christmas Mountains, Brewster County, Texas, USA
52.4km (32.6 miles) Unnamed prospects west of Corazones Peaks (EM-BR-U27-7), Christmas Mountains, Brewster County, Texas, USA
References
 
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