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Mint Tourmaline & Mint Chrome Tourmaline

an attractive pastel green to bluish-greeen
 
colors available:  

light green, 

light bluish-green

light yellowish-green
family/species:   tourmaline, dravite and 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:  

dravite gems are colored by chromium and vanadium (called "Mint Chrome Tourmaline");

elbaite gems are usually colored by iron and titanium
chrome/vanadium bearing dravite gems in mint color are 100% natural with no known treatments or enhancements;

elbaite gems can be 100% natural with no treatments or enhancements, or heated, or irradiated and heated (irradiation is not common for mint 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:  

chrome/vanadium bearing dravite is found only in kenya and tanzania;

elbaite is found in brazil, nigeria, mozambique, zambia, afghanistan, usa, and other localities worldwide

Photo Gallery: Selected Mint Tourmalines

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