Buergerite

     
Origin: San Luis Potosi, Mexico
Sample size: 3 x 3 x 2 cm, crystal 1.2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
 
  
 
  
Origin: Mexquitic, San Luis Potosi, Mexico
ex. Tim Sherburn Collection
Sample size: 3.5 x 2 x 1.25 cm (top), 1.8 x 1.2 x 0.6 cm (2nd row), 5.3 x 3.7 x 2.5 cm (3rd/bottom row)
 
 
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
     
Origin: Mexquitic, San Luis Potosi, Mexico
Ex. Keith Hayes collection
Sample size: 4.0 x 2.2 x 1.4 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

Origin: near Mexquitic, San Luis Potosi, Mexico
Ex. Willard Perkin collection
Sample size: 11 x 7 x 17 mm
 
  
Origin: Mezquital, San Luis Potosi, Mexico
Sample size: 4.3 x 3.6 x 3.2 cm
 
Origin: San Luis Potosi, Mexico
Ex. Don Belsher collection
Sample size: 23 x 6 x 22 mm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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