tachyhydrite
noun
tachy·hy·drite
ˌtakə̇ˈhīˌdrīt
variants or less commonly tachydrite
ˈtakə̇ˌdrīt
plural -s
: a mineral CaMg2Cl6.12H2O consisting of a hydrous chloride of calcium and magnesium
Word History
Etymology
modification of German tachhydrit, blend of tachy- and hydr- + -it -ite