Iridium

Iridium dominant silvery metallic tiny nuggets. Contains only minor osmium.
Origin: Bear Gulch, Alaska, U.S.A.
Sample size: ca. 1 mm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

Variety osmiridium (osmian iridium) with gold
Origin: Adamsfield, Tasmania, Australia
Sample size: unknown
Sample owner: Steve Sorrell
 

Photo courtesy of: 

Steve Sorrell

Crocoite.com

 

  
Origin: Bilimba Yewsk, Perm, Urals Region, Russia
Ex. National Musuem of Natural History, Paris
Sample size: 0.5 x 0.3 x 0.1 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

Dark gray rounded grains of Iridium to 0.4mm in a silvery platinum nugget.
Origin: Fox Gulch, Goodnews Bay, Alaska, United States
Ex. Kidwell collection
Sample size: 3.5 x 3 x 1 mm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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