Arfvedsonite

  
Arfvedsonite with aegirine on orthoclase
Origin: Mt. Maloso, Malawi
Sample size: 6.5 x 5 x 4 cm
 
  
 
  
 
     
Origin: Mont St. Hilaire, Quebec, Canada
Sample size: 3.2 x 2.3 x 1.5 cm (top), 3.0 x 2.5 x 0.8 cm (2nd row), 7.8 x 4.4 x 1.4 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
Arfvedsonite with microcline
Origin: Washington Pass area, Okanogan Co., Washington, United States
Ex O'Donnell Collection
Sample size: 6cm long
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

1 cm long green arfvedsonite crystals in matrix
Origin: Norra Kärr, Sweden
Sample size: 3 x 4 cm
 
Aggregate of fanning black arfvedsonite crystals
Origin: Karra, Eriksfjord, Ilimaussaq, Greenland, Denmark
Sample size: 1.5 x 4.5 cm
 
2-4 cm long arvedsonite crystals with 2-6 mm eudialyte and yellow-brown rinkite
Origin: Kangersluarssak, Ilimaussaq Intrusion, Greenland, Denmark
Sample size: 5 x 6 cm

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Origin: Norway
Sample size: 4 x 2 x 2.5 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Arfvedsonite crystal with several small crystals of feldspar at the base.
  
Arfvedsonite with microcline and zircon
Origin: Chilwa Alkaline Area, Mt. Malosa, Zomba, Malawi, Africa
Sample size: 6.5 x 3.5 x 2.6 cm (top), 4.6 x 3.7 x 1.8 cm (bottom)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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