Corundum

  

  

Ex. Willard Perkin collection

  

Origin: Sri Lanka

Sample size: 11 x 8 x 22 mm (top), 28 x 32 x 18 mm (bottom)

 

  

Origin: Doduma, Tanzania

Ex. Willard Perkin collection

Sample size: 13 x 12 x 19 mm

 

  

Variety ruby

Origin: Madagascar

Ex. Willard Perkin collection

Sample size: 22 x 21 x 11 mm

 

Photo courtesy of: 

Albite-phlogopite-sillimanite rock with crude purple-red corundum variety ruby crystals

Origin: Kleggåsen, Froland, Aust-Agder, Norway

Sample size: ca. 6 x 9 cm

 

Photo courtesy of: 

 

Ruby

Origin: Bomb-Blast Mine, Karnataka, India

Ex. Marty Zinn collection

Sample size: 9.4 x 5.5 x 3.5 cm

 

  

Ruby on marble

Origin: Luc Yen, Yen Bai Province, Vietnam

Sample size: 5.5 x 5.2 x 4 cm

 

  

  

Ruby

Origin: Prislip, Macedonia, Greece

Sample size: 2.4 x 1.7 x 1.6 cm

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  

Origin: Montana, United States

Sample size: 4.5 x 2 x 2 cm

 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

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