Manganite

  

Manganite with barite

  

Twinned manganite

  

 

  

 

  

Origin: Ilfeld, nr. Nordhausen, Thuringa, Germany (type locality)

Sample size: 7.6 x 5.3 x 4.7 cm (top), 5.6 x 5 x 4 cm (2nd row), 7.8 x 5.2 x 4 cm (3rd row), 9 x 6.5 x 5 cm (4th row), 3.5 x 3 x 2 cm (5th/bottom row)

 

     

Origin: Broken Hill Mine , New South Wales, Australia

Sample size: 5.6 x 3.6 x 2.3 cm

 

Photo courtesy of: 

Trinityminerals.com

 

  

Origin: Atikokan, Hutchinson Township, Rainy River district, Ontario, Canada

Sample size: 7.4 x 4.1 x 4.6 cm

 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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