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CAT'S EYE TOURMALINE        NATURAL COLOR          Hardness 7.5

RETURN TO »»  CAT'S EYE TOURMALINE

  

31.04 cts. cab.  cat's eye polychromatic tourmaline oval single 

 29.5 x 15.4 mm. ( Iridescent to cat's eye effect.)

 Enhancement: none (N) Untreated

stone PRICE  

USD 1862.00  

ORIGIN: Madagascar

ref:cabTCro 3104  

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   Ask a question
Crystal Structure: Trigonal
                    
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