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Chalcedony from
Marfa, Presidio County, Texas, USA


Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz2
- var Agate1
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Marfa, Presidio County, Texas, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:153382
Long-form Identifier:1:3:153382:8
GUID (UUID V4):0
Localities for Chalcedony in this Region
Bishop Ranch, Marfa, Presidio County, Texas, USA
Highway 169 Localities, Marfa, Presidio County, Texas, USA
Nearest other occurrences of Chalcedony
28.6km (17.8 miles) Singleton Ranch, Presidio County, Texas, USA
37.5km (23.3 miles) Cathedral Mountain quadrangle, Davis Mountains, Brewster County, Texas, USA
43.8km (27.2 miles) Woodward Ranch, Alpine, Brewster County, Texas, USA
47.4km (29.4 miles) Kokernot o6 Ranch, Jeff Davis County, Texas, USA
54.7km (34.0 miles) Unspecified road cuts, Intersection Texas routes 118 & 166, Nunn Hill, Jeff Davis County, Texas, USA
60.2km (37.4 miles) Unnamed manganese occurrence, Roberts Ranch, Marathon, Brewster County, Texas, USA
76.9km (47.8 miles) Clark prospect, Marathon, Brewster County, Texas, USA
77.0km (47.8 miles) Mammoth Mine, Presidio County, Texas, USA
79.2km (49.2 miles) Unnamed prospects near Girvin Tank (PR-PR-T21-1), Presidio County, Texas, USA
92.9km (57.7 miles) Agua Fria Ranch, Brewster County, Texas, USA
References
 
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