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
 TOURMALINE OBJECT    NATURAL COLOR     Hardness 7.5  

RETURN TO »» OBJECT D'ART

16.28 cts. Tourmaline Single 

 20.2 x 10.9 mm. Twin crystal triangular type.

Polychrome red-pink to copper-pink.

  Enhancement: none (N)

stone PRICE  

USD 190.00 

ORIGIN: Madagascar

ref:ObjTo1628c

Hardness: 7 - 7.5
Specific Gravity: 3.0+
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
 
    
Exceptional --
To purchase a stone from this site click to ORDER  Very fine --
Fine --  
Good --
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.