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 SLICE           NATURAL COLOR            Hardness 7.5

RETURN TO »» TOURMALINE SLICE

 

20.19 cts. Polychrome tourmaline  Slice 

37 x 25.5 mm. Thickness: 2 mm. ( Shape is natural )

Slightly included. Enhancement: none (N)  (Stone found in alluvium.)

stone PRICE  USD 275.00 

ORIGIN: Madagascar

  ref: Tsl2285  

Hardness: 7 - 7.5

Growth zoning in a tourmaline crystal.

Specific Gravity: 3.0+
Refractive Index: 1.62 - 1.68
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide
Crystal Structure: Trigonal

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
  Green Verdict Image
© 1987 - 2015  gggems.com  All rights reserved.