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Rubellite Tourmaline

reminiscent of ruby!
 
colors available:  

red, open red, dark red

medium pinkish-red, peachy-red, orangey-red

brownish-red

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 manganese, but also by color centers within the crystal structure
can be 100% natural with no treatments or enhancements, or heated, or irradiated (and heated)

(see policy on Treatment Disclosure)

usually has small inclusions, which are acceptable as long as they don't detract from the overall beauty of the gem
birthstone:  

october

anniversary:  

8th

cuts:   calibrated up to 6mm
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 Rubellite Tourmalines

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