Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Fluorapatite from
Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA


04829280017865251634172.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
05337560017272029449873.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
04481070017272029456616.jpg
Fluorapatite, etc.

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
01421990017272029466949.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
04829280017865251634172.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
00297310017363086479318.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
04855220017363086476531.jpg
Fluorapatite, etc.

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
07219590017363086477226.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
04872970017363086485237.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
05337560017272029449873.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
04481070017272029456616.jpg
Fluorapatite, etc.

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
01421990017272029466949.jpg
Fluorapatite

Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Locality type:Mine
Classification
Species:Fluorapatite
Formula:Ca5(PO4)3F
Comments:Occurs in pegmatite.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite1
Muscovite1
Data
Mineral Data:Click here to view Fluorapatite data
Locality Data:Click here to view Dan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:60570
Long-form Identifier:1:3:60570:8
GUID (UUID V4):0
Nearest other occurrences of Fluorapatite
1.8km (1.1 miles) ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.1km (1.3 miles) ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.4km (1.5 miles) ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
2.9km (1.8 miles) ⓘHugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
3.2km (2.0 miles) ⓘEdison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
3.4km (2.1 miles) ⓘWhite Cap Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
5.6km (3.5 miles) ⓘKing Lithia Mine, Greyhound Gulch, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
5.8km (3.6 miles) ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA
6.1km (3.8 miles) ⓘBarker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
6.8km (4.2 miles) ⓘWood Tin mine, Harney City, Pennington County, South Dakota, USA
References
Rocks & Min.:60:116.
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
 
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