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
LOOSE BI-COLOR TOURMALINE   NATURAL COLOR    Hardness 7.5 

RETURN TO »»  TOURMALINE BI COLOR

  

6.25 cts. Bi color tourmaline emerald cut Single 

The faces of the stone are parallel, on the contrary to the picture's effect.

11.5 x 9 mm. Depth: 7.2 mm  (Unusual tourmaline) 

  Slightly included.  Enhancement: none (N)

stone PRICE  

USD 782.00 

ORIGIN: Madagascar

ref: Tbie 625  

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    Cutting Styles
Crystal Structure: Trigonal   Ask a question
Tourmaline Discovery
 
To purchase a stone from this site click to ORDER 
Order Terms                              Faq                            Reserve Collection
Back to top  Litho therapy Minerals Collector's Cabochons Contact us
 
Will ship Worldwide GGGems Articles
Green Verdict Image
© 1987 - 2010  gggems.com  All rights reserved.