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.
Using Characteristics of Minerals to Identify Them. Most minerals can be characterized and classified by their unique physical properties: hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity. Hardness. The ability to resist being scratchedâor hardnessâis one of the most useful properties for identifying minerals. Hardness is determined by the ability of one mineral to scratch another. Federick Mohs, a German mineralogist, produced a hardness scale (table 5) using a set of ten standard minerals.