Tourmaline 2.55 cts / 11 pcs
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Product Details
Stone type: Indigo Tourmaline 
Weight: 2.55 cts / 11 pcs
Color: Blue
Dimension: 4.61 x 4.61 x 2.75 mm
                   4.47 x 4.47 x 2.89 mm
                   4.24 x 4.24 x 2.74 mm
                   4.13 x 4.13 x 2.75 mm
                   4.18 x 4.18 x 2.77 mm
                   3.79 x 3.79 x 2.53 mm
                   3.88 x 3.88 x 2.54 mm
                   3.62 x 3.62 x 2.44 mm
                   3.76 x 3.76 x 2.51 mm
                   3.25 x 3.25 x 2.17 mm
                   3.12 x 3.12 x 2.00 mm
Shape & Cut: Round, Yavorskyy cut 
Treatment: Unheated and Untreated (No Indications Observed)
Refractive Index: 1.618-1.643 
Hardness: 7-7.5
Specific Gravity: 3.1
Optical properties: Doubly refractive 
Chemical formula: Complex Boron Silicate 
Shipment from: Thailand 
Return Policy: 3 Day Money-Back Return*
 
      
    
     
           
           
           
       
       
       
       
       
      
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