is 241.34 KB, has a resolution of 500x512 pixels and was uploaded on March 27, 2020 @ 1:56 pm by user: tillalnn. It is filed under the tags: electric blue, copper, sulfate, zinc sulfate, chemical substance. Click the blue button at the top to freely download: Nickel Sulfate Copper(II) Crystal Iron(II) Chalcanthite png.