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Green Tourmaline

from light to vivid green!
 
colors available:  

light green, medium green, deep green
bluish-green

yellowish-green, olive green

brownish-green,

family/species:   tourmaline, elbaite
properties:  

RI=1.624 (+/-0.005) - 1.644 (+/-0.006) DR
SG=3.06 (-0.05, +0.15)
dispersion= 0.017
hardness=7-7.5

suitable for use in jewelry

pyroelectric - becomes electrically charged when heated
piezoelectric - becomes electrically charged when squeezed
many modern higher-end hair dryer use tourmalines in them to prevent static!
treatments:  

none

important information:  

usually colored by iron and possibly titanium

can be 100% natural with no treatments or enhancements, or heated, or irradiated and heated (irradiation is not common for green tourmalines) 

(see policy on Treatment Disclosure)

birthstone:  

october

anniversary:  

8th

cuts:   calibrated up to 8mm
all standard cuts
and free sizes
rough:   generally available in clean material to cut sizes 6mm and under; bigger pieces occasionally available - please Contact Us for current stock
mining:   found in brazil, nigeria, mozambique, zambia, afghanistan, usa, and other localities worldwide

Photo Gallery: Selected Green Tourmalines

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