Mottramite

  
Mottramite pseudomorph after wulfenite on plumbian calcite, ex. Ed Swoboda Pseudomorph Collection, Ex Sussman Collection
  
Mottramite on calcite
  
Origin: Tsumeb, Namibia
Sample size: 5 x 4.5 x 3 cm (top/2nd row), 25 x 25 x 16 mm (3rd row), 6.7 x 4.8 x 3.2 cm (4th/bottom row)
 
Origin: Total Wreck mine, Pima Co., Arizona, U.S.A.
Sample size: 23 x 23 x 21 mm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Yellow crystals of "duhamelite" on azurite and on greenish blue shattuckite
Origin: Navajoa, Sonora, Mexico
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
 
  
 
  
 
  
Mottramite on calcite
Origin: Tsumeb Mine, Tsumeb, Namibia, Africa
Sample size: 3.6 x 3.1 x 1.7 cm (top), 3.3 x 2.5 x 1.2 cm (2nd row), 5 x 3.5 x 3.2 cm (3rd row), 6 x 3.4 x 3 cm (bottom)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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