👉 A phanerocrystalline material is a type of crystal that has a crystalline structure but is not pure. This means that there are certain types of atoms or molecules within the crystal lattice that do not form part of the overall crystal lattice. For example, in a phanerocrystalline material, only certain types of atoms (such as oxygen and hydrogen) can be found within the crystal lattice. These atoms are called "phenyl" or "phenylated