Margaritasite

  
 
  
Tiny, less than 0.5 mm, canary yellow crystals in rhyolitic matrix
Origin: Margaritas, Pena Blanca, Chihuahua, Mexico (type locality)
Sample size: 2.5 x 1.5 x 1.5 cm (top), 6 x 5 x 4 cm (bottom)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Very sparse yellow patches of this rare mineral in a reddish rhyolite matrix
Origin: Margaritas Deposit, Pena Blanca District, Chihuahua, Mexico (type locality)
Sample size: 10.3 x 3 x 5.7 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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