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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Chalcocite from
Beard Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Beard Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:340656
Long-form Identifier:1:3:340656:4
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
1.8km (1.1 miles) ⓘPucket Mine, Fisher Hill Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
2.0km (1.2 miles) ⓘMillis Hill Mine (Willis Hill Mine), Fisher Hill Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
2.1km (1.3 miles) ⓘFisher Hill Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
3.6km (2.2 miles) ⓘHodges Hill Mine (Hodgins Hill Mine), Guilford County Copper Mining District, Guilford County, North Carolina, USA
6.1km (3.8 miles) ⓘFentress Mine (North Carolina Mine; Stith Mine), Greensboro, Guilford County, North Carolina, USA
27.2km (16.9 miles) ⓘScarlett Mine (Scarlet Mine), Randolph County, North Carolina, USA
36.3km (22.5 miles) ⓘSilver Valley Mine (Spring Valley Mine), Silver Valley, Cid Mining District, Davidson County, North Carolina, USA
44.7km (27.8 miles) ⓘSilver Hill Mine, Silver Hill, Silver Hill Mining District, Davidson County, North Carolina, USA
55.1km (34.3 miles) ⓘNorth State Mine (Robertson), Orange County, North Carolina, USA
57.6km (35.8 miles) ⓘE. M. Stroud Prospect, Orange County, North Carolina, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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