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TALKIN ABOUT SPACE:
nasa used MICA to sheild the space shuttle on re -entry
while watching a show on ancient civilizations where the 50 ton stones
fit together so tight you can't even stick a razor blade between the seams and there is not any bonding agent (cement) used
But
they found a stash of MICA in the under ground tunnels there
hidden away... the weird thing is...it's not Native to that country
in fact: it was imported from 3000 miles away
very interesting....Sure makes ya wonder
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