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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Sillimanite from
Big Bess Mine (M. S. Bess Mine; M. M. Carpenter Mine), Gaston County, North Carolina, USA


Locality type:Mine
Classification
Species:Sillimanite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sillimanite data
Locality Data:Click here to view Big Bess Mine (M. S. Bess Mine; M. M. Carpenter Mine), Gaston County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:370441
Long-form Identifier:1:3:370441:7
GUID (UUID V4):0
Nearest other occurrences of Sillimanite
1.3km (0.8 miles) ⓘE. R. Self Mine (Old Neale Mine), Gaston County, North Carolina, USA
17.6km (10.9 miles) ⓘWill Knox Sillimanite Property, Gaston County, North Carolina, USA
19.6km (12.2 miles) ⓘMary Gold Mine, Cleveland County, North Carolina, USA
21.3km (13.2 miles) ⓘMartin Mine, Cleveland County, North Carolina, USA
21.9km (13.6 miles) ⓘRyan-Purcley Sillimanite Property, York County, South Carolina, USA
22.4km (13.9 miles) ⓘCliff Blanton Mine, Shelby, Cleveland County, North Carolina, USA
22.6km (14.1 miles) ⓘShull Mine (John Dillinger Mine), Lincoln County, North Carolina, USA
23.0km (14.3 miles) ⓘHull Mine, Lincoln County, North Carolina, USA
23.3km (14.5 miles) ⓘReese Mountain Sillimanite Occurrence, Lincolnton, Lincoln County, North Carolina, USA
23.3km (14.5 miles) ⓘWalter Davis Mine, Cleveland County, North Carolina, USA
References
Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources
 
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