Spinel

  
Origin: Western Yunnan Province, China
Sample size: 1.5 x 1 x 1 cm
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  

Spinel on calcite
Origin: Pain Pyit, near Mogok, Burma
Sample size: 20 x 13 x 40 mm
 
  
  
Origin: Parker mine, Notre Dame du Laus, Quebec, Canada
Sample size: 2.3 x 2.3 x 4.2 cm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

MM-sized green/black octahedral spinel (Fe-rich variety) in calcite matrix
Origin: Ponte Grande, Vesuvius, Napoli, Italy
Sample size: micromount
 
MM-sized black black octahedra with mica in calcsilicate matrix
Origin: Vesuvius, Napoli, Italy
Sample size: micromount
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

  
This specimen has several lustrous, deep blue crystals of spinel etched out of the encasing calcite.
Origin: Beronono, Toliara, Madagascar, Africa
Sample size: 5.8 x 3.7 x 3 cm
 
  
Origin: Bastro, Madagascar
Ex. Scott Werschky collection
Sample size: 9.5 x 6.7 x 5.3 cm
 
  
  
Origin: Minh Tien Village, Luc Yen District, Yen Bai Province, Vietnam
Ex. Giorgio Spiga collection
Sample size: 3.2 x 3 x 1.2 cm
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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