Difference between revisions of "Table Of Contents"

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##[[Chemical Classification of Gems & Gemstones]]
 
##[[Chemical Classification of Gems & Gemstones]]
 
###[[Class I: Pure Elements]]
 
###[[Class I: Pure Elements]]
###[[Class II: Sulfides]]
+
###[[Class II: Sulphides]]
 
###[[Class III: Halides]]
 
###[[Class III: Halides]]
 
###[[Class IV: Oxides]]
 
###[[Class IV: Oxides]]

Revision as of 13:21, 1 October 2006

In this TOC (Table Of Content) you will find pages that have been published presented in blue and pages that yet need to be written presented in red. For better navigation, we list the pages in 3 categories:

  1. Theory - Basic and in-depth mechanisms involved in gemology
  2. Practical - Descriptions of instruments, techniques and other practical discussions.
  3. Gemstones - Information about the gemstone at hand

For the neophyte who wants to study gemology from scratch, it is best to start in that order as some words and principles introduced in the theory pages will need to be understood first. At the very least, one should learn the theory in the "basic" sections of the pages.

We never said it was going to be easy.


Theory Practical Gemstones
Content
  1. Introduction to Gemology
    1. An Historical Look at our Obsession with Gems
    2. Glossary of Terms
  2. Origins of minerals
    1. Igneous rocks
    2. Sedimentary rocks
    3. Metamorphic rocks
  3. The Chemistry of Gemstones
    1. Isomorphous replacement
    2. Chemical Classification of Gems & Gemstones
      1. Class I: Pure Elements
      2. Class II: Sulphides
      3. Class III: Halides
      4. Class IV: Oxides
      5. Class V a:Carbonates
      6. Class V b:Borates
      7. Class VI a:Tungstates
      8. Class VI b:Sulphates
      9. Class VII: Phosphates
      10. Class VIII: Silicates
  1. Crystal Systems & Forms
    1. Form
    2. Habit
    3. Crystals & Their Structure
      1. Cubic Crystal System
      2. Hexagonal Crystal System
      3. Tetragonal Crystal System
      4. Trigonal Crystal System
      5. Rhombic Crystal System
      6. Monoclinic Crystal System
      7. Triclinic Crystal System
    4. Symmetry
      1. Axis of Symmetry
      2. Plane of Symmetry
      3. Center of Symmetry
    5. Twin Crystals
    6. Naming minerals
  2. Cleavage
    1. Cubic Cleavage
    2. Octahedral Cleavage
    3. Rhombohedral Cleavage
    4. Basal Cleavage
    5. Prismatic Cleavage
    6. Dodecahedral Cleavage
  3. Optical properties of gemstones
    1. Nature of light
      1. The electromagnetic wave theory
      2. The quantum theory
      3. The electromagnetic spectrum
    2. Reflection effects
      1. Luster
      2. Sheen
        1. Chatoyancy
        2. Asterism
        3. Iridescence
      3. Brilliance (Total Internal Reflection)
    3. Polarization
    4. Pleochroism
    5. Color
    6. Refraction
      1. Double Refraction
    7. Dispersion
    8. Diffraction
    9. Interference
    10. Luminescence
      1. Fluorescence
      2. Phosphorescence
      3. Tenebrescence
      4. Triboluminescence
  4. Hardness
  5. Specific Gravity
  6. Basic math for gemology
    1. Cross-multiplication
    2. Sine, cosine and tangent
    3. Degrees, minutes and seconds
Content
  1. Equipment used to identify gemstones
    1. 10x Loupe
    2. Spectroscope
    3. Refractometer
    4. Polariscope
    5. Dichroscope
    6. Immersion Cell
    7. Color Filters
    8. Microscope
    9. Hydrostatic Balance
    10. Heavy Liquids
  2. Inclusions
  3. Synthetic gemstones
  4. Visual Optics
    1. The Hodgkinson Method
Content (all under construction)
  1. Diamond
  2. Corundum
    1. Ruby
    2. Sapphire
  3. Quartz
    1. Amethyst
    2. Citrine
    3. Ametrine
    4. Rose Quartz
    5. Prasiolite
    6. Inclusion Quartz
  4. Quartz - Cryptocrystalline
    1. Chalcedony
    2. Agate
  5. Beryl
    1. Goshenite
    2. Aquamarine
    3. Emerald
    4. Bixbite
    5. Morganite
    6. Heliodor
  6. Spodumene
    1. Kunzite
    2. Hiddenite
  7. Chrysoberyl
    1. Alexandrite
  8. Spinel
  9. Garnet
  10. Tourmaline
    1. Indicolite
    2. Rubellite
    3. Paraiba type
    4. Chrome
    5. Liddicolite
  11. Diopside
    1. Chrome Diopside
    2. Tashmarine
  12. Feldspar
    1. Andesine
    2. Sunstone
  13. Andalusite
  14. Benitoite
  15. Bowenite
  16. Danburite
  17. Fluorite
  18. Apatite
  19. Ziosite
    1. Tanzanite
  20. Enstatite
  21. Jade
    1. Jadeite
    2. Nephrite
  22. Peridot
  23. Iolite
  24. Opal
  25. Amber
  26. Pearl
    1. Salt water
      1. Akoya
      2. Tahitian
      3. South Sea
      4. Conch Pearl
      5. Melo Pearl
    2. Freshwater Pearl
      1. Chinese from whatever they are making them in
      2. Quahog