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.

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Origin of chamosite

1825–35; variant of camoisite, named after Chamoison in the Valais, Switzerland, where found; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020