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Colourless Topaz with Iridescent needle inclusions, faceted, Madagascar. 15.17 carats. ** SOLD **

Product Code: TPIN155
Units in Stock: 1
** SOLD **

Also known as "Rainbow Topaz", this unusual variety of colourless transparent Topaz from Madagascar contains multiple needle-like inclusions which at some angles are invisible, but reflect a strong flash of spectral colours when turned in the hand.

Image 4 is a magnified view of the glittering, iridescent needles within this gem.

A rare and highly collectible faceted example.

weight:  15.17 carats
shape:   Modified emerald cut
dimensions:   19.09 x 10.29 x 8.10 mm
treatment:  None