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Webster 1913 Edition
Schist
Schist
(shĭst)
, Noun.
[Gr. [GREEK] divided, divisible, fr. [GREEK] to divide: cf. F.
schiste
. See Schism
.] (Geol.)
Any crystalline rock having a foliated structure (see
Foliation
) and hence admitting of ready division into slabs or slates. The common kinds are mica schist, and hornblendic schist, consisting chiefly of quartz with mica or hornblende and often feldspar.