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


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Gardner Hill Mine, Greensboro, Guilford County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:994202
Long-form Identifier:1:3:994202:8
GUID (UUID V4):0
Nearest other occurrences of Muscovite
3.5km (2.2 miles) ⓘJacks Hill Mine, Greensboro, Guilford County, North Carolina, USA
4.2km (2.6 miles) ⓘBeard Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
4.9km (3.0 miles) ⓘLindsay Mine, Greensboro, Guilford County, North Carolina, USA
5.1km (3.2 miles) ⓘDeep River Mine (Coffin), Guilford County Copper Mining District, Guilford County, North Carolina, USA
5.9km (3.6 miles) ⓘFisher Hill Mine, Guilford County Copper Mining District, Guilford County, North Carolina, USA
9.1km (5.7 miles) ⓘFentress Mine (North Carolina Mine; Stith Mine), Greensboro, Guilford County, North Carolina, USA
13.1km (8.1 miles) ⓘMacCulloch Mine (North State Mine), Greensboro, Guilford County, North Carolina, USA
19.7km (12.3 miles) ⓘMerrill prospect, Randolph County, North Carolina, USA
21.0km (13.0 miles) ⓘNew Sawyer Mine (Powell; Ross), Randolph County, North Carolina, USA
22.2km (13.8 miles) ⓘSawyer Mine, Randolph County, North Carolina, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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