Itacolumite is a naturally occurring sandstone that is flexible when cut into relatively thin slabs. It occurs at Itacolomi, its eponym, in the southern portion of Minas Gerais, Brazil. The stone is porous, and often yellow in color.

Mar 5, 2025 · Itacolumite is found in certain parts of Brazil, India, North Carolina, and Georgia, not in the backyards of Ohio. Our sample was collected in North Carolina and donated to us by Jane D. and Elizabeth U. Sullivant, members of the prominent Sullivant family in central Ohio.

A micaceous sandstone or a schistose quartzite that contains interstitial, loosely interlocking grains of mica, chlorite, and talc; exhibits flexibility when split into thin slabs. Type locality is Itacolumi Mountain in Minas Gerais, Brazil. Please feel free to …

Oct 6, 2021 · Ever seen a piece of rock bend? Itacolumite is unique kind of sandstone that does when cut into thin strips. If a foot-long piece, a few centimeters thick, is supported at its ends it will gradually bend by its own weight. If it is then turned over it …

Oct 11, 2021 · Itacolumite is a rare, porous sandstone that miraculously becomes flexible when cut into thin strips.

The meaning of ITACOLUMITE is a schistose micaceous quartzite that is flexible when split into thin slabs.

Jan 1, 2011 · Flexible quartzitic rocks are found in various locations around the world and have been identified as both sandstones and quartzites. The term itacolumite was first used for a Brazilian quartzite thought to be a new type of rock in 1822.

Itacolumites are quartzites that exhibit remarkable flexi- bility when split into thin slabs (Bate and Jackson, 1987). The name “itacolumite” is derived from Mt. Itacolomi near the city of Ouro Preto in Minas Gerais, Brazil, where itacolumites were first described in the 18thcentury (Shepard, 1845).

Dec 31, 2011 · The term itacolumite was first used for a Brazilian quartzite thought to be a new type of rock in 1822. As analytical methods have improved flexibility has been shown to be due to irregular...

Itacolumite is a sedimentary rock which forms from cemented sand-sized clasts and is a type of sandstone.