Starkeyite Chemical: MgSO4-4H2O. Clades: Hydroxide and hydrous sulfates; Sulfate mineral; Lapidae. rom Related postsPlantsMarch 10, 2019Praecoxanthus aphyllusMarch 10, 2019Sanguinaria canadensisFebruary 15, 2020 Previous postChalcanthiteNext postMeridianiite