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LOOSE RUBELLITE  TOURMALINE   NATURAL COLOR   Hardness 7.5  
Online Certificate
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4.21cts. rubellite single 

 10.2 x 9 mm.

 Eye clean. Tone scale: medium. Enhancement: none (N)

     stone PRICE    

     USD 505.00     

ORIGIN: Madagascar

ref:Tra 421 
This is a virtual certificate compiled from the lab data for the gemstone being examined. Clarity is based on magnification
under a 10X corrected loupe. All gemology performed by GGGems. Jean & Alain Darbellay guaranteeing that this stone  
                        is 100% natural. Prices and availability are subject to change without notice.
Hardness: 7 - 7.5
Specific Gravity: 3.0+   Visual Catalog
Refractive Index: 1.62 - 1.68 Tourmaline data
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide   Ask a question
Crystal Structure: Trigonal   Gem-O-Scope
 
    
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