and other kaolin type minerals, has a very specific arrangement that differs slightly enough to set its physical appearance and other physical properties apart from that of its family members kaolinite and nacrite. In a comparison of the family of minerals through experiments examined by Ross and Kerr the similarities between them are clearly evident and can, depending on the samples, be indistinguishable by optical means. The hexagonal structure and the stacking of the atoms influence the physical properties in many ways including the color, hardness, cleavage, density, and luster. Another important factor in influencing physical properties of minerals is the presence of bonding between atoms. Within dickite there exists dominant O-H bonding, a type of strong ionic bonding. Structure Dickite has a monoclinic crystal system and its crystal class is domatic (m). This crystal system contains two non-equal axes (a and b) that are perpendicular to each other and a third axis (c) that is inclined with respect to the an axis. The a and c axes lie in a plane. Dickite involves an interlayer bonding with at least 3 identifiable bonds: an ionic type interaction due to net unbalanced charges on the layers, Van der Waals forces between layers and hydrogen bonds between oxygen atoms on the surface of one layer and hydroxyl groups on the opposing surface. A hydrogen bond, as the term is used here, involves a long range interaction between hydrogen of a hydroxyl group coordinated to a cation and an oxygen atom coordinated to another cation. The reaction is predominantly electrostatic; hence an ionic bonding model is appropriate. Its axial ratio is a=0.576, b=1, c=1.6135. The hexagonal network of Si-O tetrahedra along with the superimposed layer of Al-O, OH octahedra make up the kaolin layer found in dickite. Dickite is composed of regular sequences of one, two and six kaolin layers. Analysis of the dickite structure reveals the space group to be C4s-Cc. The a and c axis both lie on the glide plane of symmetry. Dickite's structure is made up of a shared layer of corner-sharing tetrahedra filled by a plane of oxygens and hydroxyls along with a sheet of edge-sharing octahedra with every third site left empty. An experiment was conducted using a pseudo-hexagonal crystal of dickite to determine the unit cell information and the layers that exist within dickite. It was found that there are six layers within the kaolin layer