Riebeckite

  
Riebeckite phenocrysts in rhyolitic matrix
Origin: near Alamo, Lincoln Co., Nevada, USA
Sample size: 3 x 2 x 1 cm, crystals 1 mm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  
Origin: Franklin, New Jersey, U.S.A.
Sample size: 6 x 4 x 12.5 cm
 
  
A vein of "crocidolite" fibrous bluish riebeckite, 2 cm in thickness
Origin: Wittenoom (Wittenoom Gorge), Pilbara, Western Australia, Australia
Sample size: 8.3 x 5.1 x 4.4 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

Blue 5-10 mm riebeckite crystals in granite matrix; from several localites in the Porto Area
Origin: Porto area, Corsica, France
Sample size: 5 x 6 cm
 
  
Blue-black crystals in seyenite
Origin: Ivanpah Mts., near Mescal Springs, San Bernardino Co., California, U.S.A.
Ex. Paul F. Patchik collection
Sample size: 6x10 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Origin: Serpentine Hill, Tasmania, Australia
Sample size: unknown
Sample owner: Steve Sorrell
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

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