Eh, that’s what they called it in the article and I’m neither a physicist nor a material scientist. They made a definite distinction between the two forms of the materials in this and other articles related to the topic which I was too topic-uninformed to understand. So you might be right :D
Egypt is great for diving. The nature on the Sinai peninsula is at least interesting, if not gorgeous in places. Political instability and the general culture do mean that you can have a bad time there, especially as a woman.