Crichtonite

     
 
     
 
  
Crichtonite (plumboan) with rutile pseudomorph after anatase (middle)
Origin: Presidente Kubitschek, Minas Gerais, Brazil
Sample size: top 7 x 5 x 5 cm, crystals to 2 mm, middle 3 x 3 x 2 cm, bottom 3 x 2 x 2 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Kriegalptal, Binntal, Wallis (Valais), Switzerland
Picture size: 1.5 mm
Owner: Thomas Witzke
 

Photo courtesy of: 

Thomas Witzke

Institut für Mineralogie und Lagerstättenlehre
Aachen, Germany

 

Origin: Kaskasnjuatchorr Mt., Chibiny, Kola Peninsula, Russia
Sample size: thumbnail
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
Origin: St. Christophe, Bourg-d'Oisans, Isère, France (type locality)
Sample size: 6 x 4.5 x 4 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

  
Crichtonite on quartz
Origin: St Christophe-en-Oisans, Bourg d''Oisans, Isère, France (type locality)
Ex. Sorbonne collection
Sample size: 6 x 4.6 x 3.2 cm
Origin: 
Sample size:
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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