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Clerical:
Exam #2 returned.
Note: Ron's Office Hours are cancelled next week Monday thru Wednesday because he will be attending the Geological Society of America Annual Meeting in Portland, Oregon. Classes will meet as normally scheduled.
Themes of the Day:
- Color/Luster
- Magnetism
- Electrical Properties
- Special Properties
Color/Luster
- The Electromagnetic Spectrum
- Perception of Color - monochromatic and polychromatic light
- Mineral Luster - metallic/non-metallic
Non-metallic Lusters
- subvitreous
- vitreous (glassy)
- adamantine
- resinous
- earthy
- greasy
- pearly
- silky
- Color Causing Mechanisms
- Mechanical Causes of Color - e.g., Star Sapphire
- Streak - color of a powdered mineral
- Luminescence
- tribolumineacence
- thermolumineacence
- photolumineacence - fluorescence/phosphorescence
Magnetism
- Diamagnetism
- Paramagnetism
- Ferromagnetism
- Ferrimagnetism
Electrical Properties
Special Properties
- Acid reaction
- Aroma
- Taste
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