I haven't broken lots of pieces yet, but I will take the word of Ed on this matter, since my experience confirms what he said, as much as I have done it. The dyed magnesite beads I have seen inside are green or bluish green all the way through.

What is really surprising (in my opinion) is that the "matrix" is entirely superficial. It is purely a surface treatment—leading me to believe these marks have been strategically placed on the stones or bead-blanks (however you want to think of it). It is not merely the distressing of the material to make cracks (for instance), but is a style of application that is designed to be "turquoise-like." HOW they do this would be very interesting to know. Also, a reasonable idea of the percentage of material (in this arena) that is reconstructed would be useful information.

Jamey