Cassiterite

  
Cassiterite on schorl
Origin: Divino das Laranjeiras, Minas Gerais, Brazil
Sample size: 4.3 x 3.9 x 3.4 cm
 
Twin
Origin: Black Hills, South Dakota, U.S.A.
Ex. Richard Hauck collection
Sample size: 5.1 x 4.4 x 4.2 cm
 
  
Cassiterite pseudomorph after twinned orthoclase
Origin: Wheal Coates, St. Agnes, Cornwall, England
Ex. Richard Hauck collection
Sample size: 2.6 x 2.2 x 1.3 cm
 
  
Cluster of two twinned cassiterite crystals
  
Origin: Schlaggenwald, Erzgebirge, Bohemia, Czech Republic
Ex. Richard Hauck and E.M. Gunnell collections
Sample size: 3.2 x 3.1 x 2.1 cm (top/2nd row), 5.5 x 5.1 x 4.6 cm (3rd/bottom row)
 
  
Twin
Origin: Horni Slavkov, Schlaggenwald, Bohemia, Czech Republic
Ex. Richard Hauck collection
Sample size: 6.3 x 3.2 x 2.8 cm
 
  
Origin: Huanuni Mine, near Oruro, Bolivia
Ex. Richard Hauck collection
Sample size: 5.0 x 3.7 x 1.8 cm
 
  
Cassiterite on muscovite
Origin: Aracuai, Minas Gerais, Brazil
Sample size: 6.9 x 5.1 x 3.5 cm
 
  
Origin: Shengus, Northern Areas, Pakistan
Sample size: 2.5 x 2.1 x 1.9 cm
 
Twin
Origin: Ehrenfriedersdorf, Saxony, Germany
Ex. Richard Hauck collection
Sample size: 2.9 x 2.8 x 1.8 cm
 
"Elbow twin"
Origin: Lanat, Malaya
Ex. Richard Hauck collection
Sample size: 2.6 x 2.1 x 1.1 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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