![](http://www.alamy.com/thumbs/6/408CD962-EB73-432A-98A5-225D14061EA3/A5K3X7.jpg)
cupric chloride, boric acid and ammonium persulphate crystals viewed through microscope
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Photo credit: © paul ridsdale pictures / Alamy / Afripics
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Keywords: acid, ammonium, boric, bright, chemical, chemistry, chloride, clear, corode, corrosive, cross, crystal, crystals, cupric, form, inorganic, magnification, magnify, microscope, mineral, persulphate, polarization, polarize, science, scientific, shape, shine, structure, study, substance, sulphate