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Orthoclase from
Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA

Locality type:Mine
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
References
References:South Dakota SMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA
Nearest other occurrences of Orthoclase
4.8km (3.0 miles) Terry, Lawrence Co., South Dakota, USA
5.9km (3.7 miles) Wharf Mine, Bald Mountain Mining District (Portland Mining District), Lawrence Co., South Dakota, USA
7.8km (4.8 miles) Gilt Edge Mine (Rattlesnake Jack; Dakota Maid; Ruby Ridge; Gilt Edge Glory Hole; Oro-Fina; Anchor Hill Mines 0460810072), Galena, Galena Mining District, Lawrence Co., South Dakota, USA
9.2km (5.7 miles) Twin Peaks, Lead Mining District, Lawrence Co., South Dakota, USA
9.9km (6.2 miles) Bear Den Mountain, Galena, Galena Mining District, Lawrence Co., South Dakota, USA
11.0km (6.8 miles) Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA
57.5km (35.7 miles) Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USA
59.6km (37.1 miles) Etta Mine, Keystone, Keystone Mining District, Pennington Co., South Dakota, USA
60.3km (37.5 miles) Hugo Mine, Keystone, Keystone Mining District, Pennington Co., South Dakota, USA
 
Mineral and/or Locality  
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