potassium hexacyanoferrate is used in chemistry lessons to grow red, monoclinic crystals.

background blood calcium calyx chemical chemistry chloride crystal crystals drug epsom ferricyanankalium ferricyanide food glass grain grow health hexacyanidoferrate hexacyanoferrate hydroxide lessons lye magnesium medicine mineral monoclinic nomenclature organic oxidation potassium powder pulp reaction red salt salts salty sand sodium sulfate this used white yellow