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Opal from
Mammoth Mine, Presidio County, Texas, USA


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Mammoth Mine, Presidio County, Texas, USA
Data Identifiers
Mindat Occurrence Record ID:200739
Long-form Identifier:1:3:200739:7
GUID (UUID V4):0
Nearest other occurrences of Opal
62.7km (39.0 miles) ⓘMedley's White Mountain, Davis Mountains, Jeff Davis County, Texas, USA
96.0km (59.6 miles) ⓘGranite Hill prospect, Quitman Mountains, Hudspeth 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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