A crystal structure is the repetitive patterns in a mineral form. Cleavage is the ability of a mineral to break into flat surfaces. A fracture is a term used for an irregular way a mineral breaks apart.
Study of the mineral and the crystal structure.
The underlying internal architecture of a crystalline substance, or its crystal structure, is expressed in a mineral's outward morphology. The three-dimensional regular (or ordered) arrangement of chemical units (atoms, ions, and anionic groups in inorganic materials; molecules in organic substances) that make up a crystal structure is reproduced in different ways via translational and symmetry operations and are referred to as motifs.
The term "cleavage" describes the way some minerals fracture along specific structural lines of weakness. Mica is a wonderful example since it breaks along flat planes that are very closely spaced apart and produces thin "sheets."
A mineral can fracture when it splits in an irregular pattern without any smooth, plane surfaces.
To learn more about minerals, crystal structure, and their breakage pattern ( a fracture and cleavage), refer to-
The Enlightenment<span> (also known as the </span>Age of Enlightenment<span> or the </span>Age of Reason). <span>was an intellectual and philosophical movement which overthrew the world of ideas in Europe during the 18th century.</span>
The answer is B because <span> Progressives believed that the growth of industries and the growth of cities caused social problems for our society.</span>
The Apartheid Legislation (1850-1970) laws made it a criminal offence to breach the contract of employment. Desertion, insolence, drunkenness, negligence and strikes were also criminal offences. These were laws to enforce segregation. Universal suffrage on a non-racial basis was not possible untill at the end of Apartheid, in 1996.