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  CRYSTAL   NATURAL COLOR     Hardness 7.5  

RETURN TO TOURMALINE CRYSTAL

 

 48.57cts.  GreenTourmaline crystal Single 

39.5 x 11.5 x 11.2 mm. (Transparent)

  Enhancement: none (N)

stone PRICE    USD  265.00 

ORIGIN: Madagascar

ref:Tr4857 

 

 

       

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
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.