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Ice Blue Zircon

a bright blue color reminiscent of Aquamarine, but with all of Zircon's dispersion!
our zircon is a naturally occuring gemstone
-it is NOT lab created

colors available:  

light blue, light greenish-blue, aqua blue, pale blue

and occasionally with tenebrescence, a rare property that only some zircons have (gems stored in a safe or dark area will look greyish or greenish-blue when first taken out and then slowly turn into their 'normal' light blue color when exposed to light. This fascinating phenomenon can be repeated over and over again!!).

Frrom Wikipedia "Tenebrescence, also known as reversible photochromism, is the ability of minerals to change colour when exposed to sunlight. The effect can be repeated indefinitely, but is destroyed by heating. Tenebrescent behavior is exploited in synthetic materials for the manufacture of self-adjusting sunglasses, which darken on exposure to sunlight.​"

family/species:   zircon
properties:   zircon (high):
RI=1.925-1.984 DR
SG=4.70 (+/-0.03)
zircon (medium): RI=1.875(+/-0.045)-1.905(+/-0.075) DR
SG=4.32 (+/-0.25)
zircon (low): RI=1.810(+/-0.030)-1.815(+/-0.030) DR
SG=4.00(+/-0.07)
dispersion= 0.038

note: dispersion is very close to that of diamond (0.044), making it the traditional diamond substitute
hardness=7.5
suitable for use in most jewelry
treatments:  

we work with both natural and untreated material; this color of zircon is routinely heated to enhance color

(see policy on Treatment Disclosure)

important information:   extremely bright and sparkly
a naturally occuring gemstone - do not confuse with lab-created cubic zirconia (cz)
excellent value for money
birthstone:   december
cuts:   calibrated up to 8mm
standard and fancy checkerboard 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 Africa and some other localities

Photo Gallery: Selected Ice Blue Zircons

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