Crystals of copper (II) sulphate pentahydrate, growing on a thread. Threads are dangled into a super-saturated solution of copper sulphate. Crystals s

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Crystals of copper (II) sulphate pentahydrate, growing on a thread. Threads are dangled into a super-saturated solution of copper sulphate. Crystals spontaneously start to form on the thread. The formula for the crystals is

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Keywords: beaker, blue, bordeaux, chemical, chemistry, compound, copper, crystal, crystals, cupric, demonstration, experiment, fungicide, herbicide, hydrated, ii, laboratory, mix, pentahydrate, pesticide, salt, saturated, solution, sulfate, sulphate, super, supersaturated