Siegenite

  
Large cuboctahedral crystals of galena to 17 mm in size, these completely coated by massive and microcrystalline chalcopyrite. Intermixed with these chalcopyrite crystals are tiny crystals of siegenite.
Origin: Sweetwater Mine (Milliken Mine; Ozark Lead Mine), Ellington, Viburnum Trend District, Reynolds Co., Missouri, U.S.A.
Ex. Scott Williams and Richard Kosnar collections
Sample size: 5.1 x 3.8 x 2.3 cm
 
  
Origin: West Fork Mine, Viburnum Trend District, Reynolds Co., Missouri, U.S.A.
Sample size: 1.9 x 1.6 x 3.7 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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