Pyrochlore

  
 
Origin: Tatarka River, Yenisejkij-Kryazh, Krasnojarskij-Kraj, Russia
Sample size: 4 x 4 x 3.5 cm (top/2nd row), 10.1 x 10 x 10 cm (bottom)
 
  
  
 
  
  
Origin: Vishnevogorsk, Chelyabinsk Oblast, Russia
Sample size: 3.5 x 3 x 1.7 cm (top/2nd/3rd row), 7.7 x 5.8 x 3.0 cm (4th/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Origin: Vishnevogorsk, Chelyabinsk Oblast', Russia
Sample size: 2.5 x 5.5 x 2.5 cm
 
  
 
  
Origin: Tatarskoe deposit, Tatarka River, Yeniseyskiy Kryazh, Krasnoyarskiy Kray, Siberia, Russia
Sample size: 5.2 x 5 x 5 cm (top), 5.5 x 6.2 x 6.3 cm (bottom)
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
 
Origin: Lauzon Farm, Oka, Quebec, Canada
Sample size: 3.9 x 2.9 cm specimen with several deep brownsih black crystals of pyrochlore to 0.9 cm across (top), 2 x 1.4 cm specimen with two octahedral crystals of jet black pyrochlore to 0.9 cm across (bottom)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

Origin: Myeba, Tonganyika, Kenya
Erling Collection
Sample size: 7 mm crystal
 
  
Origin: Vishnevogorsk, Urals, Russia
Sample size: 3 x 2 x 1.5 cm, crystals to 2 mm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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