Londonite

  
  
Londonite on tourmaline
  
  
Londonite on feldspar
Origin: Tsarafara Nord (Ambalaroy), Sahatany Valley, Antananarivo province, Madagascar
Sample size: 2.6 x 1.8 x 1.5 cm (top/2nd row), 3.0 x 1.8 x 1.8 cm (3rd/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
 
  
Origin: Antsongombato gem mine, Betafo Dept., Madagascar
Sample size: 5.2 x 3 x 5.1 cm (top/2nd row), 3 x 2 x 2.6 cm (3rd/bottom row)
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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