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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Oligoclase from
Elkin Quarry, Surry County, North Carolina, USA


Locality type:Quarry
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view Elkin Quarry, Surry County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:560709
Long-form Identifier:1:3:560709:9
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
25.0km (15.5 miles) ⓘFitches Knob Quarry site, Wilkes County, North Carolina, USA
30.7km (19.1 miles) ⓘ115 Quarry, Oakwoods, Wilkes County, North Carolina, USA
34.6km (21.5 miles) ⓘMount Airy quarries, Surry County, North Carolina, USA
41.0km (25.5 miles) ⓘBald Knob deposit, Bald Knob, Sparta, Alleghany County, North Carolina, USA
44.8km (27.8 miles) ⓘNorth American Emerald Mine, Hiddenite, Alexander County, North Carolina, USA
48.6km (30.2 miles) ⓘOre Knob Mine, Ore Knob, Ashe County, North Carolina, USA
51.6km (32.1 miles) ⓘSuperior Stone Company Quarry (Statesville Quarry), Statesville, Iredell County, North Carolina, USA
60.6km (37.6 miles) ⓘCranberry Copper Mine, Cranberry Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
60.9km (37.9 miles) ⓘFairmont Copper Mine (Fairmount Copper Mine), Cranberry Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
61.0km (37.9 miles) ⓘBrown and Stephenson Mine (Brown and Stevenson Mine), Cranberry Creek Segment, Gossan Lead Mining District, Southern Section-Blue Ridge Province, Carroll County, Virginia, USA
References
Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
 
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