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Torbernite from
Etta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA


Locality type:Mine
Classification
Species:Torbernite
Formula:Cu(UO2)2(PO4)2 · 12H2O
Comments:Occurs in a lithia pegmatite. Occurs as sharp, pale green tablets in purpurite-heterosite. Crystals reach 0.5mm. Torbernite can also occur in the quartz-cleavelandite-spodumene zone.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Torbernite data
Locality Data:Click here to view Etta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:64578
Long-form Identifier:1:3:64578:8
GUID (UUID V4):0
Nearest other occurrences of Torbernite
1.1km (0.7 miles) ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.4km (1.5 miles) ⓘDan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
3.4km (2.1 miles) ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA
4.1km (2.5 miles) ⓘBarker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
24.3km (15.1 miles) ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA
58.0km (36.0 miles) ⓘRoss Hannibal Mine (North Star Mine; Hannibal Mine; Mikado Mine), Lead Mining District, Lawrence County, South Dakota, USA
References
Rocks & Minerals: 57: 160 &/or 60: 110 & 112.
Norton, James J. (1964) Pegmatites and other Precambrian Rocks in the Southern Black Hills; Geology and mineral deposits of some pegmatites in the southern Black Hills, South Dakota. Professional Paper 297-E. US Geological Survey p.293-341. doi:10.3133/pp297e
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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