Learning Outcomes
Upon completion of the course, the student will be able to:
1) Understand, define, and describe the basic concepts of crystallography.
2) Distinguish and classify the crystal systems.
3) Explain and determine methods for identifying crystallographic parameters.
4) Recognize and comprehend analytical methods for determining mineral structure.
5) Explain the basic concepts of mineral chemistry and systematic mineralogy.
6) Identify and classify macroscopic minerals using their physical properties.
7) Describe and explain the structure and atomic arrangement of minerals.
8) Solve problems related to the chemical composition of minerals.
Course Content (Syllabus)
1) INTRODUCTION: Objective of Crystallography. Definition of a crystal. Anisotropic-Isotropic-Homogeneous bodies. Definition of crystal zone. Law of Constancy of Interfacial Angles.
2) TRANSFORMATIONS IN SPACE – CRYSTAL SYMMETRY: Simple symmetry operations. Symmetry axes, planes and centers.
3) CRYSTAL CLASSES: Simple and crystals. Natural and apparent symmetry. Point symmetry. Geometrical laws applied to the crystals of the 32 crystal classes. Haüy’s law or law of rational indices.
4) PLANE INDICES: Identifying axial intercepts and plane indices.
5) CRYSTAL SYSTEMS: Crystallographic axes. Crystals of the 7 crystal systems. Inversion axes and inversion planes.
6) CRYSTAL INTERGROWTH – TWINNING: Parallel intergrowth. Twinning and Polysynthetic twinning. Pseudosymmetry. Epitaxy and topotaxy.
7) CRYSTAL LATTICE – ATOMIC STRUCTURE AND ARRANGEMENT: Lattice points, lattice planes, unit cell. Bravais lattices. Relationship between lattice and regular intergrowth. Determination of crystal structure by X-ray methods.
8) HISTORICAL BACKGROUND – MINERAL DEFINITION: Objective of Mineralogy. Association with other scientific fields. Historical background. Mineral definition.
9) SUBSTITUTION – SOLID SOLUTIONS – EXSOLUTION: Atomic substitutions. Definition of Solid Solution. Exsolution phenomena.
10) ISOMORPHISM – POLYMORPHISM – POLYTYPISM: Definition and examples of Isomorphism, Polymorphism, Polytypism. Mechanisms of Polymorphism.
11) MAGNETIC – ELECTRIC PROPERTIES: Piezoelectricity. Pyroelectricity. Radioactivity.
12) BASIC CONCEPTS OF PETROLOGY: Fundamentals of Petrography. Igneous rocks. Sedimentary rocks. Metamorphic rocks.
13) MINERAL CLASSIFICATION AND CHEMICAL FORMULA: Native elements. Sulfides. Oxides – Hydroxides. Halides – Sulfates. Carbonates. Silicates.
Keywords
Crystal, mineral, rock, crystal system, crystal lattice, twinning
Course Bibliography (Eudoxus)
1. “ΟΡΥΚΤΟΛΟΓΙΑ – ΠΕΤΡΟΛΟΓΙΑ” ΘΕΟΔΩΡΙΚΑΣ ΣΤΕΡΓΙΟΣ Σ., Εκδόσεις: Γραφικές Τέχνες «ΜΕΛΙΣΣΑ», 2013.
2. "ΟΡΥΚΤΟΔΙΑΓΝΩΣΤΙΚΗ", Η.ΣΑΠΟΥΝΤΖΗΣκαι Γ.ΧΡΙΣΤΟΦΙΔΗΣ, ΕΚΔΟΣΕΙΣ UNIVERSITYSTUDIOPRESS, ΘΕΣΣΑΛΟΝΙΚΗ.