Microcrystals of caesium tetrachloroaurate (Cs[AuCl<sub>4</sub>]) obtained by microcrystallography. For crystals, diluted solutions of cesium nitrate and gold salts were used. Microcrystallographic analysis consists in studying the shape, color and size of the crystals formed between the test substance and the reagent by which an unknown substance or ion can be identified. The photograph was taken by a computer using a digital camera for a microscope. Increase 40x
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