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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Chalcedony from
Shaft 4, Spar Valley Mine, Eagle Mountains, Hudspeth County, Texas, USA


Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Shaft 4, Spar Valley Mine, Eagle Mountains, Hudspeth County, Texas, USA
Data Identifiers
Mindat Occurrence Record ID:203667
Long-form Identifier:1:3:203667:0
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
0.6km (0.4 miles) ⓘSpar Valley Mine, Eagle Mountains, Hudspeth County, Texas, USA
0.7km (0.4 miles) ⓘTank Canyon prospects, Eagle Mountains, Hudspeth County, Texas, USA
1.2km (0.8 miles) ⓘSyphon Canyon prospects (Marine Ranch prospects), Eagle Mountains, Hudspeth County, Texas, USA
1.4km (0.9 miles) ⓘLucky Strike prospect (Section 26 prospect), Eagle Mountains, Hudspeth County, Texas, USA
2.5km (1.5 miles) ⓘSection 27 prospect, Eagle Mountains, Hudspeth County, Texas, USA
2.8km (1.8 miles) ⓘFox No. 4 prospect, Eagle Mountains, Hudspeth County, Texas, USA
4.4km (2.8 miles) ⓘDivide prospect, Eagle Mountains, Hudspeth County, Texas, USA
6.1km (3.8 miles) ⓘRocky Ridge prospects, Eagle Mountains, Hudspeth County, Texas, USA
8.2km (5.1 miles) ⓘEagle Spring Mine, Eagle Mountains, Hudspeth County, Texas, USA
40.1km (24.9 miles) ⓘUnnamed Cu prospect (VH-HU-G12-1), Sierra Blanca, Hudspeth County, Texas, USA
References
Price, Jonathan G (1983) Annotated Bibliography of Mineral Deposits in Trans-Pecos, Texas Vol. 73. Bureau of Economic Geology, Texas Mining. 108pp.
 
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