itacolumite

itacolumite [it-uh-kol-yuh-mahyt] ExamplesWord Origin noun

1. 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 of itacolumite 1860–65; named after Itacolumi, mountain in Brazil; see -ite1 Examples from the Web for itacolumite Historical Examples of itacolumite

Some authorities hold that the diamond has been formed in certain quartz veins which traverse the itacolumite.

Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 8

Various

Itacolumite is yellow or pale-brown, and splits readily into thin flat slabs.

Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 8

Various

British Dictionary definitions for itacolumite itacolumite noun

1. a fine-grained micaceous sandstone that occurs in thin flexible slabs

Word Origin for itacolumite C19: named after Itacolumi mountain in Brazil where it is found