I expect them to be completely organic. What else would they be?

Regardless of getting funding, I don't see why our level of technology is not adequate to study an egg.

> “Researchers are planning to carefully extract the liquid to better study it,” stated Edward Biddulph, Senior Project Manager, who oversaw the site excavation. “It’s a controlled process similar to egg blowing, where a tiny hole is made in its shell after creating a 3D model.”

https://en.wikipedia.org/wiki/X-ray_microtomography