Copper Sulfate
Copper sulfate, also called cupric sulfate (CuSO4), blue vitriol, blue stone, blue caparrosa, Roman vitriol or calcantite is a chemical compound derived from copper that forms blue crystals, soluble in water and methanol and slightly soluble in alcohol and glycerin.

It has numerous applications: as algaecide in water treatment, manufacture of feed concentrates for animals, fertilizers, pesticides, textile mordants, leather industry, pigments, electric batteries, galvanized coating (acid copper coatings by electroposition), copper salts, medicine, preservatives of the wood, processes of engraving and lithography, reagent for the flotation of ores containing zinc, petroleum industry, synthetic rubber, steel industry, treatment of natural asphalt, ceramic dye, and medicinal preparations such as alibour water .