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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Bornite from
Gardner Hill Mine, Greensboro, Guilford County, North Carolina, USA


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Gardner Hill Mine, Greensboro, Guilford County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:364685
Long-form Identifier:1:3:364685:4
GUID (UUID V4):0
Nearest other occurrences of Bornite
4.2km (2.6 miles) ⓘBeard Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
5.8km (3.6 miles) ⓘPucket Mine, Fisher Hill Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
5.8km (3.6 miles) ⓘMillis Hill Mine (Willis Hill Mine), Fisher Hill Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
7.7km (4.8 miles) ⓘHodges Hill Mine (Hodgins Hill Mine), Guilford County Copper Mining District, Guilford County, North Carolina, USA
27.7km (17.2 miles) ⓘHoover Hill Mine, Asheboro, Randolph County, North Carolina, USA
46.1km (28.6 miles) ⓘFoust Mine, Alamance County, North Carolina, USA
62.5km (38.9 miles) ⓘBear Creek Mine (Bear Creek Copper Prospect), Chatham County Copper Belt, Chatham County, North Carolina, USA
64.0km (39.8 miles) ⓘPhillips Mine (Robert Phillips Prospect; Millright Mine), Chatham County Copper Belt, Chatham County, North Carolina, USA
65.2km (40.5 miles) ⓘBarringer Phillips Prospect, Chatham County, North Carolina, USA
66.7km (41.4 miles) ⓘStar Mine (Reynolds Mine), Montgomery County, North Carolina, USA
References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.
 
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