Great for tube setting, sand casting, silver clay,  and stone in place setting bur metalsmithing techniques.
Color: Black
Diamond Faceted Cut
AAA
Size: Choose 3mm OR 2.5mm

For use with these tutorials:
https://www.etsy.com/ca/listing/238685171/married-metal-pebble-cuff-tutorial
https://www.etsy.com/ca/listing/120547824/wave-bangle-tutorial-robyn-corenlius
https://www.etsy.com/ca/listing/248634678/silver-dusted-cuff
https://www.etsy.com/ca/listing/936293552/pebble-rings-tutorial
https://www.etsy.com/ca/listing/187936459/water-cast-splash-ring
https://www.etsy.com/ca/listing/126943735/flower-bangles

Heat resistant up to 900F

These midnight black cubic zirconia gems are truly dramatic, with a dense opaque true black colour, not often seen in a faceted cut. They have an incredibly bright, eye-catching mirror finish, reminiscent of the sheen of black diamonds (though without the price tag!). These super sparkly gems would be work equally well in contemporary or vintage styled jewellery.

Cubic Zirconia (or CZ) is zirconium oxide (ZrO2 ), is widely synthesized for use as a diamond simulant and it is a lab made created stone with a specific gravity of between 5.6-6.00 and at about 7.5 hardness on Mohs scale, which is harder than most natural gems.

Its refractive index is high at 2.15 - 2.18 (B-G interval) and its luster is very good.

Its dispersion is very high at 0.058 - 0.066, exceeding that of diamond (0.044).
nd (0.044).