Fergusonite

  
Black 1-2 cm crystals (no terminations) in dark brown feldspar set between biotite plates
Origin: Madewoska, Ontario, Canada
Sample size: 2 x 6 x 6 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

     
Origin: J.G. Gole Quarry, Madawaska, Murchison Township, Nipissing District, Ontario, Canada
Sample size: 18 x 18 x 30 mm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

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