![](http://www.alamy.com/thumbs/6/E2FA9F46-CC54-4650-AA65-F3853CE00F68/A5K3NC.jpg)
copper sulphate crystals viewed through microscope using cross polarization lighting technique
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Photo credit: © paul ridsdale pictures / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: bright, chemical, chemistry, clear, colour, colourful, copper, cross, crystal, crystals, form, inorganic, magnification, magnify, material, microscope, mineral, polarization, polarize, resource, science, scientific, shape, shine, spectrum, structure, study, substance, sulphate