Indigo Blue Tourmaline 0.77 ct
190033Sold Out
Product Details
Stone type: Indigo Tourmaline 
Weight: 0.77 ct
Color: Blue
Dimension: 6.47 x 4.07 x 3.45 mm
Shape & Cut: Octagonal, 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*
 
      
    
     
           
           
       
       
       
       
       
      
Follow Us