Corundum

  
Ruby
Origin: Minh Tien Village, Yen Bai Province, North Vietnam
Sample size: 3.0 x 1.1 x 0.9 cm
 
  
Ruby
Origin: Prislip, Macedonia
Sample size: 2.7 x 2.3 x 1.5 cm
 
  
Ruby
Origin: Zoutpansberg Dist., Transvaal, South Africa
Sample size: 4.8 x 1.7 x 1.6 cm
 
  
 
Sapphire
Origin: Ratnapura, Sri Lanka
Sample size: 2.8 x 0.8 x 0.7 cm (top), 3.3 x 1.5 x 1.0 cm (bottom)
 
  
Ruby
Origin: Mysore, India
Sample size: 35 x 33 x 17 mm
 
  
 
  
Ruby
Origin: Jagdalek, Afghanistan
Sample size: 6.7 x 3.9 x 2.8 cm (top/2nd row), 3.9 x 3.4 x 1.7 cm (3rd/bottom row)
 
Sapphire
Origin: Sri Lanka
Sample size: 2.4 x 1.0 x 1.0 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
  
A 1.2 cm lustrous gemmy translucent doubly terminated ruby corundum lies exposed on a matrix of black mica schist filled with raspberry pink garnet.
Origin: Mayors Mine, Zazafotsy, Ihosy, Madagascar
Ex. Mark Wrigley collection
Sample size: 5.1 x 4.6 x 3.1 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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