[angiosperm]

Nothing compelling that I know of. Other meteorite strikes being described using the same language might count. A record of having used the particular meteorite in religious apparatus, more so. It is the sort of thing that would have been recorded, but records are spotty.

I think the headdress was supposed to have been covered in gold leaf, which might have attracted lightning strikes. Just cracking from normal weathering and falling off is the most likely cause, though. It seems like a thing that they would have liked to blame on something dramatic like a thunderbolt.