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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Siderite from
Furniss Mine, Concord, Cabarrus County, North Carolina, USA


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Furniss Mine, Concord, Cabarrus County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:65681
Long-form Identifier:1:3:65681:8
GUID (UUID V4):0
Nearest other occurrences of Siderite
1.5km (0.9 miles) ⓘSnyder Mine, Concord, Cabarrus County, North Carolina, USA
3.3km (2.0 miles) ⓘQuaker City Mine, Charlotte Belt, Cabarrus County, North Carolina, USA
6.3km (3.9 miles) ⓘEva Furr Mine (Silver Valley Mine; Midas; Allen Furr Mine), Cabarrus County, North Carolina, USA
9.7km (6.0 miles) ⓘPhoenix Mine (Vanderburg Mine; Miami mine), Concord, Cabarrus County, North Carolina, USA
12.1km (7.5 miles) ⓘMorrison Mine (Lee Roi Morrison Mine), Charlotte Belt, Cabarrus County, North Carolina, USA
12.1km (7.5 miles) ⓘCline Mine (Cruse Mine), Mount Pleasant, Cabarrus County, North Carolina, USA
12.1km (7.5 miles) ⓘCosby's Mine (Crosby Mine; Poplan), Cabarrus County, North Carolina, USA
13.4km (8.3 miles) ⓘWest shaft, Pioneer Mills Mine, Cabarrus County, North Carolina, USA
13.5km (8.4 miles) ⓘDan Hopkins Diggings (Hopkins No. 2), Gold Hill Mining District, Cabarrus County, North Carolina, USA
21.8km (13.5 miles) ⓘLong Mine, Union County, North Carolina, USA
References
Rocks & Min.:60:86.
 
and/or  
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