Mendozite is a rare mineral that was first discovered in Mendoza, Argentina. As such, there are very few synonyms for the word "mendozite". One possible synonym could be "Mendozaite", which simply uses a slightly different spelling. Another related term could be "andesite", which is a volcanic rock that is commonly found in the Andes Mountains of South America, of which Mendoza is a part. However, it's important to note that these terms are not synonymous with mendozite as they refer to different materials altogether. Ultimately, the best way to describe mendozite is to simply use its proper name.