Emu eggs are naturally dark teal and can be carved to reveal different shades of blue.
carved emu eggshell
Large Emu Egg, Carved Wedding/Anniversary Gift, Celtic Infinity Hearts, OOAK Home Decor on Etsy, $98.05
Winter's Moon Emu Egg
Speckled emu egg. These emu eggshells will have one of the following rare or unusual patterns: Speckled, Halo, Bald, Spiral, Etc. See the images on this board. http://www.uniquelyemu.com/EMUEGG-SPEC/Emu-Eggshell-Special.htm
ANTIQUE ABORIGINAL ART CARVED EMU EGG DOUBLE FACED WITH ANTIQUE ...