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Vivianite from
Etta Mine, Keystone, Keystone Mining District, Pennington Co., South Dakota, USA

Locality type:Mine
Classification
Species:Vivianite
Formula:Fe32+(PO4)2 · 8H2O
Comments:Occurs in a lithia pegmatite.
Confirmation
Validity:Believed Valid
References
References:Rocks & Minerals: 57: 160 &/or 60: 110 & 112.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Data
Mineral Data:Click here to view Vivianite data
Locality Data:Click here to view Etta Mine, Keystone, Keystone Mining District, Pennington Co., South Dakota, USA
Nearest other occurrences of Vivianite
1.1km (0.7 miles) White Cap Mine (King Mica Mine; Primer lode), Keystone, Keystone Mining District, Pennington Co., South Dakota, USA
1.1km (0.7 miles) Peerless Mine (Monitor; Monarch; Protector), Keystone, Keystone Mining District, Pennington Co., South Dakota, USA
3.4km (2.1 miles) Big Chief Mine (Johnson pegmatite), Glendale, Keystone Mining District, Pennington Co., South Dakota, USA
4.6km (2.9 miles) Wood Tin mine, Harney City, Pennington Co., South Dakota, USA
14.3km (8.9 miles) Tin Queen Mine (White Blowout Mine), Hill City Mining District, Pennington Co., South Dakota, USA
17.3km (10.7 miles) Old Mike mine (Great Northern; Old Mike M.S.2212), Custer, Custer Mining District, Custer Co., South Dakota, USA
18.7km (11.6 miles) Bull Moose Mine (Bull Moose pegmatite; Bull Moose lodes), Custer, Custer Mining District, Custer Co., South Dakota, USA
24.3km (15.1 miles) Ross Mine (Highland lode; John Ross Mine), Berne, Custer Mining District, Custer Co., South Dakota, USA
26.6km (16.5 miles) Soda Spar pegmatite (Mountain Lion Mine), Glendale, Keystone Mining District, Pennington Co., South Dakota, USA
27.2km (16.9 miles) Tip Top Mine (Tip Top pegmatite), Fourmile, Custer Mining District, Custer Co., South Dakota, USA
 
Mineral and/or Locality  
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