We don't have synonyms for chamoisite yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are chamosite and cramoisie.
(n) :
(mineralogy) Alternative form of chamosite. [(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, iron, magnesium, oxygen, and silicon.]
(n) :
(mineralogy) Alternative form of chamosite. [(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, iron, magnesium, oxygen, and silicon.]