Hydrozincite, also known as zinc bloom, is a white carbonate mineral consisting of Zn5(CO3)2(OH)6. Carbonate minerals are those Minerals containing the Carbonate Ion: CO32- Zinc (ˈzɪŋk from Zink is a Metallic Chemical element with the symbol Zn and Atomic number 30 In Chemistry, a carbonate is a salt or Ester of Carbonic acid. In Chemistry, hydroxide is the most common name for the diatomic Anion OH− consisting of Oxygen and Hydrogen It is usually found in massive rather than crystalline form. In Materials science, a crystal is a Solid in which the constituent Atoms Molecules or Ions are packed in a regularly ordered repeating