Today I got an opportunity to watch Copper Sulphate under microscope .

Copper Sulphate is a sulphate salt of copper. It can be seen as a large, bright blue crystals . It contains 5 molecules of water (CuSO4. 5H2O).

It is also known as blue vitriol, cupric sulphate and Roman vitriol.   It is the inorganic compound with chemical formula CuS04.

It is used for agricultural purposes,  as a pesticide, germicide and to prevent the growth of algae.