hectorite
noun
hec·tor·ite
\ˈhektəˌrīt\
Definition of hectorite
-s
: a mineral (Mg,Li)3Si4O10(OH)2 consisting of a hydrous silicate of magnesium and lithium — compare montmorillonite
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Origin and Etymology of hectorite
Hector, California, its locality + English -ite
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