(SOLD) Natural Green Tourmaline - Emerald Cut

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sold out

(SOLD) Natural Green Tourmaline - Emerald Cut

49.00

Natural Green Tourmaline:

From GIA.edu  "Tourmaline's colors have many different causes. It's generally agreed that traces of iron, and possibly titanium, induce green and blue colors."

From gemstone.org "Tourmalines are borosilicates with a very complex structure. The colours are caused, among other things, by tiny amounts of foreign matter and trace elements. Because of the complex structure of this gemstone, it exists in an almost endless number of varieties and colours depending on where it developed. "

-- 8.22mm x 5.94mm x 4.48mm, 2.37 cts

-- Easy Emerald Cut (design by Jeff Graham)

-- MOHS 7.0 - 7.5

-- RI 1.62 - 1.64

-- Origin: Unknown

-- Treatment: Unknown

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