chamosite
[ sham-uh-zahyt ]
/ ˈʃæm əˌzaɪt /
noun
a mineral of the chlorite group, hydrous aluminum silicate of iron, occurring in gray or black crystals in oolitic iron ore.
Origin of chamosite
1825–35; variant of
camoisite, named after
Chamoison in the Valais, Switzerland, where found; see
-ite1