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CAT'S EYE TOURMALINE        NATURAL COLOR          Hardness 7.5



 5.03 cts. cab.  cat's eye rubellite oval single (red-white) rare!

 13 x 8.5 mm.

 Enhancement: none (N) Untreated

stone PRICE  


ORIGIN: Madagascar

  ref:cabTCro 503  

The bottom of this stone is almost flat which is always desirable in cat's eye so you don't need to pay for a heavy bottom, this stone will be easy to set

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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