Spinel

  
  
Origin: Big Maria Mountains Limestone Deposit Mine (California Limestone Products; Big Maria Mts.; Pfizer), Riverside Co., California, U.S.A.
Sample size: 23 x 15 x 30 mm
 
  
Spinel on calcite
Origin: Mogok, Sagaing Division, Mandalay, Myanmar (Burma)
Sample size: 4.2 x 3 x 3.5 cm
 
Origin: Morogoro, Uluguru Mts, Morogoro Region, Tanzania
Sample size: 17 x 16 x 19 mm
 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  
Spinel on pargasite on marble
Origin: Luc Yen, Yenbai Province, Vietnam
Sample size: 4.5 x 3.5 x 3.5 cm
 
  
  
 
  
 
  
  
Spinel on marble
Origin: Mogok, Mandalay, Burma
Sample size: 6.6 x 4.4 x 4.3 cm (top/2nd/3rd row), 5.8 x 4.2 x 3.4 cm (4th/5th row), 5.9 x 4.0 x 2.5 cm (6th/bottom row)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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