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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Schorl from
J.C. Mills Mine (Mill's Mine; Mills's Mine), Brindletown, Burke County, North Carolina, USA


Locality type:Mine
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view J.C. Mills Mine (Mill's Mine; Mills's Mine), Brindletown, Burke County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:97810
Long-form Identifier:1:3:97810:9
GUID (UUID V4):0
Nearest other occurrences of Schorl
20.2km (12.6 miles) ⓘMorganton Quarry (Vulcan Materials Co. Quarry), Morganton, Burke County, North Carolina, USA
39.7km (24.7 miles) ⓘMcHone Mine pegmatite, Mitchell County, North Carolina, USA
40.1km (24.9 miles) ⓘCrabtree Mine, Spruce Pine, Mitchell County, North Carolina, USA
46.3km (28.8 miles) ⓘMartin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, USA
50.2km (31.2 miles) ⓘBalsam Mine, Yancey County, North Carolina, USA
50.6km (31.4 miles) ⓘThomas Mine (Balsam Gap kyanite location; Parkway kyanite location), Buncombe County, North Carolina, USA
52.0km (32.3 miles) ⓘRay Mica Mine, Hurricane Mountain, Burnsville, Yancey County, North Carolina, USA
54.3km (33.8 miles) ⓘLCA Mine, Gaston County, North Carolina, USA
61.2km (38.0 miles) ⓘFoote Lithium Co. Mine, Kings Mountain, Cleveland County, North Carolina, USA
64.9km (40.3 miles) ⓘDagenhart Mine, Alexander County, North Carolina, USA
References
Dana 6:1074.
 
and/or  
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