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Swinefordite from
Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA


08001450017362783176347.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
01893380017271927011728.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
08281150017272013611063.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
05041200017271927047568.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
02080270017362519671102.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
01893380017271927011728.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
05604180017371011082602.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
05041200017271927047568.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
09368340017367084673431.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
05169990017272013696572.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
08281150017272013611063.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
05041200017271927047568.jpg
Swinefordite

Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
Locality type:Open-Cast Mine
Classification
Species:Swinefordite
Formula:Li(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2O
Comments:Formed by weathering of lithium-rich silicates. Often appears on and replacing spodumene, lining fracture seams, and coating small crystals of albite, quartz and fluorapatite. Scarce after closing of mine, but still being found. Also found associated with
Habit:A clay. Hydrated: "resemble petroleum jelly." Stable: "resembles mountain leather."
Colour:"light greenish-grey to greyish olive." Old dump material turns dark.
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Albite3
Fluorapatite1
Data
Mineral Data:Click here to view Swinefordite data
Locality Data:Click here to view Foote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:43449
Long-form Identifier:1:3:43449:2
GUID (UUID V4):0
References
Tien, Pei-lin, Leavens, Peter B., Nelen, Joseph A. (1975) Swinefordite, a dioctahedral-trioctahedral Li-rich member of the smectite group from Kings Mountain, North Carolina. American Mineralogist, 60 (7-8) 540-547
Horton, J. Wright Jr., Butler, J. Robert, Milton, Daniel M. - Eds. (1981) Geological Investigations of the Kings Mountain Belt and Adjacent Areas in the Carolinas. Field Trip Guidebook. Carolina Geological Societypp.39-48
Hanahan, Jack (1985) The Foote Quarry, Kings Mountain, North Carolina: Revisited, 1984. Rocks & Minerals, 60 (2) 76-82 doi:10.1080/00357529.1985.11764378
 
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