Sept 27, 2003

Topic/Lecture | Key Concepts | Lab | Key concepts |

Intro Mineralogy | 1. Importance of Mineralogy to Man 2. Impt of Mineralogy to Earth Science 3. Impt founders of mineralogy, crystallography 4. Definition of a mineral |
Whats in a name | 1. Classifn is difficult - visual methods usually insufficient 2. External/internal Symmetry best |

Rotational Symmetry |
1. 4 symmetry elements 2. 4 symm. operations 3. How they are combined 4. make 32 Crystal Classes |
2d symmetry 3d symmetry |
1. How to determine symmetry of object 2. How to describe via symmetry notation 3. Use for mineral classification |

Crystal Systems |
1. Crystallographic axes 2. cf. compare rotation axes 3. 6 xl Systems, axes, angles relationship to rotational axes |
3d symm HM |
1. How to determine 3d symmetry 2. How to write a HM symbol thatdescribes this symmetry 3. How to read an HM symbol |

Internal structure Translational symmetry |
1. Internal order - periodic, 2. Adding translation, what is translation 3. New sym. elements created: screw axes, glide planes 4. Definition/description of a Unit cell properties of a unit cell |
Space groups | 1. How to determine translation in 1D, 2D patterns 2. How to find unit cell, outline 3. Space Group notation, relationship to HM; convert to HM |

xl coordn | 1. Coordn Numbers; polyhedra names and numbers 2. Radius Ratios and CN (what numbers lead to what coordinaton) 3. Pauling's rules - esp. sharing of elements |
Coorn Number | 1. How to determine type of polyhedra, CN 2. How to determine bond strength |

bonding | 1. Bond types and Characteristics 2. Relationship to mineral properties |
Bonding | 1. How to determine bond type 2. How to determine % ionic character 3. Bond strength |

Common Structures |
1. Representation of structures 2. Isostructural minerals/groups |
HM | 1. Non-symmetric classes 2. HM notation |

color | 1. why do we see color? 2. mechanisms to produce color in minerals 3. what is a chromophore? 4. when can we use color as a tool for mineral ID |
color |
visible light how to determine mineral color from absorption spectra CFSE - |