The IRAC commences with a statement of the issues or legal questions at hand. In the issue section of an IRAC it is important to state exactly what the question of law is.Each issue is often treated separately.he Rule section of an IRAC follows the statement of the issue at hand. The rule section of an IRAC is the statement of the rules pertinent in deciding the issue stated.
A mineral must: 1. be created naturally 2. be solid 3. have a crystalline structure 4. be homogeneous 5. have a definite chemical composition. 5 Characteristics Of A Mineral. Five Characteristics Of A Mineral. This Site Might Help You.
Olivine always has silicon and oxygen as well as iron or magnesium or both, (Mg, Fe)2SiO4. The physical properties of minerals include: How physical properties are used to identify minerals is described in the lesson on Mineral Formation. Mineralogists divide minerals into groups based on chemical composition. mineral is formed through natural processes and has a definite chemical composition. Minerals can be identified by their characteristic physical properties such as crystalline structure, hardness, density, flammability, and color. Minerals are crystalline solids.