Services     SINGLE STONES            PAIRS                     SETS                CABOCHONS         COLLECTOR'S       DESIGNER'S    
 Site map          WELCOME          ORDER TERMS           MINERALS                RESERVE           CONTACT US          ABOUT US    
Usually ships within 24 hours     SEARCH FORM   HELP   INFO. FR   TRACK ORDERS    GEM GUIDE
LOOSE KORNERUPINE                    NATURAL COLOR                 Hardness 6.5 - 7
Online Certificate
RETURN TO Kornerupine
3.98 cts. Oval kornerupine faceted single
  x Pieces: 1 Kornerpine x x Type: 100% Natural
 
  Color: Greenish-yellowish-bluish   Shape: Octagon
                 
  Weight: 3.98 Carat   Size: 13.1 x 7.1 x 4.55 mm
 
  Clarity: NFL   Luster: Excellent
 
  Treatment: None (N)   Origin: Madagascar
    Refr. Index: 1.66-1.699   Hardness 7.5
 
 Depth:4.55  mm.
                                                      
Stone Price:  USD 770.00

ref:KOe398

 

 

 

This kornerupine is overall greenish. Blue and yellowish sparkles are visible when the stone is moving. Its cut is quite good.

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.
Why Shop With GGGems.com ?
12-Days Inspection Period
Gemological Authenticity
No Risk Payment
No Risk Return Policy
Swiss Owned
24 Hour Email Response
Secure Insured Delivery A. Darbellay;  your guide to GGGems.com
Customer Commitment
Qualified Gemologists RETURN TO Kornerupine
Fluent English Support by e-mail
   Hardness: 6.5 - 7
   Specific Gravity: 3.29 - 3.34
   Refractive Index: 1.660 - 1.682 & 1.673 - 1.696  & 1674 - 1699 Kornerupine Data  
   Chemical Composition: Mg4Al6 ( (O,OH)2 I BO4 (SiO4)4 )
   Crystal Structure: Orthorombic
Order Terms                              Faq                            Reserve Collection
Back to top  Litho therapy Minerals Collector's Cabochons Contact us
 
 
 
Will ship Worldwide
  Green Verdict Image
1987 - 2015  gggems.com  All rights reserved.