Manganite

  
Origin: Ohilgerzug, Biersdorf, Rhineland-Palatinate, Germany, Europe
Sample size: 6.5 x 3.5 x 3.4 cm
 
  
 
  
 
  
 
  
Origin: Ilfeld, nr. Nordhausen, Thuringa, Germany (type locality)
Sample size: 4.2 x 3.5 x 3 cm (top), 4.2 x 3.5 x 3 cm (2nd row), 5.2 x 4 x 2.8 cm (3rd/4th row), 10.5 x 8.5 x 6.3 cm (5th/bottom row)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
Origin: Ilfeld, Harz Mtns, Germany
Ex. Sorbonne collection
Sample size: 4.1 x 3.5 x 2.3 cm
 
  
Manganite on barite
Origin: Ilfeld, Harz Mts., Thuringia, Germany
Sample size: 5.2 x 3.6 x 3.0 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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