Stillwellite

     
Stillwellite-(Ce) with reedmergnerite
Origin: Dara-Pioz, Tadzikistan
Sample size: 3.5 x 2.5 x 2 cm with creamy colored crystals in matrix to 1 cm and brownish red crystals of reedmergnerite
 
  
Origin: Dara-i-Poiz Glacier, Tien Shan Mts., Tajikistan
Ex. Kidwell collection
Sample size: 5 x 3 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Redbrown resinous massive and small flattened rhombs with uraninite in matrix, collected in 1960
Origin: Mary Kathleen Uranium Mine, Queensland, Australia (type locality)
Sample size: 6 x 8 cm
 
Light pink to brown single hexagonal prismatic crystal of stillwellite-(Ce)
Origin: Dara-i-Pioz, Tadjikistan
Sample size: 2 x 2.5 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

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