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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Magnetite from
American Mine (Kimberlite Mine), Murfreesboro, Pike County, Arkansas, USA


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view American Mine (Kimberlite Mine), Murfreesboro, Pike County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:48577
Long-form Identifier:1:3:48577:9
GUID (UUID V4):0
Nearest other occurrences of Magnetite
3.1km (1.9 miles) ⓘBlack Lick prospect, Murfreesboro, Pike County, Arkansas, USA
4.4km (2.7 miles) ⓘTwin Knobs No. 1 Mine, Murfreesboro, Pike County, Arkansas, USA
79.1km (49.1 miles) ⓘV intrusive, Lake Catherine, Garland County, Arkansas, USA
80.8km (50.2 miles) ⓘWilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA
87.1km (54.1 miles) ⓘDiamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
87.1km (54.1 miles) ⓘPerovskite Hill, Magnet Cove, Hot Spring County, Arkansas, USA
87.2km (54.2 miles) ⓘEudialyte pegmatite, Magnet Cove, Hot Spring County, Arkansas, USA
87.3km (54.2 miles) ⓘCove Creek Bridge and The Branch area, Magnet Cove, Hot Spring County, Arkansas, USA
87.6km (54.5 miles) ⓘJones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
88.5km (55.0 miles) ⓘHeath farm (York rutile deposit), Magnet Cove, Hot Spring County, Arkansas, USA
References
Rocks & Minerals (1988): 63: 115.
Miser, H. D., & Ross, C. S. (1923). Diamond-bearing peridotite in Pike County, Arkansas. USGS Bulletin 735i.
Stroud, et al (1969).
 
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