I have thought of this idea of meteorite kris as a confusion of windmenstatten and pamor patterns, but could it be that there is an Indonesian folk belief that nickel or other metals originate from meteors, and even when mined from the Earth, that their origins "in the mists of time" are celestial? In Western Africa there is a folk belief that neolithic celts (knives/axes/palstave tips) come from the sky and are artifacts of divine/alien origin.
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