Stokesite

  
Stokesite on feldspar
Origin: Corrego do Urucum, nr. Galilea, Minas Gerais, Brazil
ex. Ralph Clark Collection
Sample size: 3.3 x 2.5 x 2 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Origin: Galileia, Minas Gerais, Brazil
Sample size: 1.7 x 1.5 cm
 
  
  
Origin: Urucum mine, Galileia, Minas Gerais, Brazil
Ex. Alessandro Genazzani collection
Sample size: 1.5 x 2 x 1.5 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
A 1.2 cm stokesite "ball" composed of lath-like tan or clear crystals with several micro crystals of yellow stannomicrolite.
  
  
Spherical aggregates composed of thin tabular, cream coloured crystals to 2 mm. There is a nice dusting of greenish yellow microlite micro crystals to less than 0.2mm on the stokesite balls. There are two balls of stokesite, one complete and one partial.on albite matrix
Origin: Urucum mine, Galileia, Minas Gerais, Brazil
Sample size: 1.2 cm ball (top), 6.5 x 5 x 2.5 cm (2nd/bottom row)
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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