itacolumite

(it′ə kälyo̵̅o̅ mīt′)

noun

a type of fine-grained sandstone deposited in flexible layers

Origin: after Itacolumi, mountain in Brazil, where found

See itacolumite in American Heritage Dictionary 4

noun
A variety of sandstone that is flexible when cut into thin slabs.

Origin:

Origin: After Itacolumi (Itacolomi), a mountain of east-central Brazil

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