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#Vermiculite source??

#: 118243 S12/Geology – The Science/Math Forum
    21-Jan-94 09:15:20
Sb: #118217-#Vermiculite source??
Fm: Syndesis 76004,1763
To: Mark Miller 76702,1127
I think vermiculite is simply heat-expanded mica. I believe mica is mined in Canada among other places.
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