it·a·col·u·mite 
(ĭt′ə-kŏlyə-mīt′)
(ĭt′ə-kŏlyə-mīt′)n.
A variety of sandstone that is flexible when cut into thin slabs.
[After Itacolumi (Itacolomi), a mountain of east-central Brazil.]
- polyclonally
- polyconic projection
- polycyclic
- polycyclic aromatic hydrocarbon
- polycystic
- polycystic ovary syndrome
- polycythemia
- polydactyl
- polydactylism
- polydactyly
- polydentate
- polydipsia
- polydipsic
- polyelectrolyte
- polyembryonic
- polyembryony
- polyene
- polyester
- polyesterification
- polyestrous
- polyether
- polyethylene
- polyethylene glycol
- polygala
- polygamist