itacolumite

itacolumite

[it-uh-kol-yuh-mahyt]
noun
a sandstone consisting of interlocking quartz grains and mica scales, found principally in Brazil and North Carolina, and noted for its flexibility in thin slabs.

Origin:
1860–65; named after Itacolumi, mountain in Brazil; see -ite1

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World English Dictionary
itacolumite (ˌɪtəˈkɒljʊˌmaɪt)
 
n
a fine-grained micaceous sandstone that occurs in thin flexible slabs
 
[C19: named after Itacolumi mountain in Brazil where it is found]

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