Spinel

  

Spinel on marble

  

Spinel with phlogopite on marble

Origin: Luc Yen, Yen Bai, Vietnam

Sample size: 11.9 x 8.1 x 4.4 cm (top), 14.6 x 5.9 x 3.6 cm (2nd/bottom row)

 

 

Spinel on calcite

  

Ex. S. Nasser collection

Ex. S. Nasser collection

Origin: Mogok, Burma

Sample size: 0.9 x 0.9 x 0.9; 0.9 x 0.9 x 0.8; 0.8 x 0.8 x 0.7 cm (top), 1.5 x 1.1 x 1 cm (2nd row), 2.5 x 2.1 x 1.1 cm (3rd row), 2.1 x 2 x 1.4 cm (bottom)

 

  

Origin: Morogoro, Tanzania

Sample size: 2.5 x 2.2 x 2.1 cm

 

  

Origin: Sri Lanka

Sample size: 2.6 x 2.3 x 1.6 cm

 

  

Origin: Yenbai (Yen Bai) Province, Vietnam

Sample size: 10.6 x 8.1 x 5.4 cm

 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  

 

  

Origin: Beronono, Toliara, Madagascar

Sample size: 7 x 5.5 x 4 cm (top), 6.5 x 5.1 x 4.6 cm (bottom)

 

Photo courtesy of: