Pyrolusite

  
Origin: Ilfeld, Harz Mountains, Germany
Sample size: 6.8 x 5.2 x 3 cm
 
  
Dendritic pyrolusite on feldspar matrix
Origin: Queen Mine, Pala, California, U.S.A.
Ex. Ed Ruggiero collection
Sample size: 10.1 x 7.9 x 3.4 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: El Burrito Mine, La Abundancia, Zacatecas, Mexico
Sample size: 8.5 x 6 x 7.5 cm
 
  
  
Origin: Tirodi Mine, Tirodi, Madhya Pradesh, India
Ex. Gene Tribbey collection
Sample size: 5.4 x 2.8 x 7.8 cm
 
  
Origin: Ilfeld, Nordhausen, Harz Mts., Thuringia, Germany
Ex. Gisler collection, ex. Gene Tribbey collection
Sample size: 5.9 x 3.8 x 5.3 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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