Tags: Chemical Substance, Mineral.
Amarantite is an amaranth-red to brownish mineral with the general formula of Fe3+2O(SO4)2·7(H2O) or Fe3+(SO4)(OH)·3(H2O).The name comes from the Greek word αμάραντος which means amaranth an imaginary undying red flower in allusion to its color.Amarantite is triclinic which means crystallographically it has only one symmetry fold. It must be rotated 360 degrees to be exactly the same.