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Jade
  • Introduction to Jade
  • Culture in Jadeite
  • Chemical and Physical Properties of Jade
  • Classification of Jade
  • Formation of Jadeite and Its Source
  • Fused-powder Jadeite
  • GE Synthetic Jadeite
  • Assembled Jadeite
  • Jadeite (in Chinese)
  • Jadeite Trade
  • Jadeite Types and Treatments
  • Maintaining Jade
  • Mining Jadeite
  • Objects Made from Jadeite
  • Jadeite Jade and FTIR
  • B-jade and FTIR Spectroscopy
  • Sources of Jadeite Jade
  • Testing Jadeite
  • Value Factors
  • Grading Jadeite
  • Colours in Jadeite
  • Clarity and Translucency
  • Fashioning(Cut) in Jadeite
  • Texture in Jadeite-Jade
  • Raman Spectra of Jadeite-Jade
  • Reference sites for Jadeite-Jade
  • After Sales Maintenance of Jade
Pearls
  • Cultured Pearls
  • Saltwater Pearls
  • Freshwater Pearls
  • Akoya Pearls
  • Tahitian Pearls
  • South Sea Pearls
  • Cortez Pearls
  • Keshi Pearls
  • Mabe Pearls
  • Natural Pearls
  • Conch Pearls
  • Melo Melo Pearls
  • Abalone Pearls
  • Scallop Pearls
  • Pearls in History
  • History of Pearls
  • Pearl History Timeline
  • Famous Pearls
  • Kokichi Mikimoto
  • Pearls and Medicine
  • Pearls in Myth
  • Pearl Cultivation
  • Pearl Producing Mollusks
  • Pearl Farming
  • Pearl Nucleus
  • Pearl Harvest
  • Pearl Treatments
  • Pearl Care & Grading
  • The Pearl Necklace
  • Caring for Pearls
  • Grading Pearls
Rubies and Sapphires
Rubies and Sapphires
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Contents
  1. General Introduction
  2. Origin and Occurrence
  3. Crystallography
  4. Physical Characteristics of Gem Materials
  5. Electromagnetic Spectrum and Associated Phenomena
  6. Visual and other Characteristics
  7. Gemmological Equipment
  8. Advanced Identification Techniques
  9. Synthesis and Manufacturing
  10. Imitations and Composite Stones
  11. Gemstone Treatments
  12. Gemstone Fashioning
  13. Gems in Jewellery
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Geohavens: World of Rocks, Minerals, Gems and Gemmology :: Gemstone Discussion :: Other Coloured Stones
  Subject Author Views Replies Last Post
No New PostsClassification of gems. agianto 3196 9 07-09-2010 00:14
by bushworlda
No New PostsAbsorption Spectra boblalux 536 10 07-09-2010 00:13
by bushworlda
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