The MicroWorld of Diamonds

The MicroWorld of Diamonds portrays this most unique gem in an entirely different way—through the microscope. Not only are the micro characteristics of nature's diamonds, both in rough and polished form, but the industry-wide problematic areas of diamond enhancement, diamond synthesis, and diamond simulation are also covered extensively. More Details...

MicroWorld of Diamonds

Photoatlas of Inclusions in Gemstones, Volume 3

Photoatlas Volume 3, the final volume in the highly praised series, Photoatlas of Inclusions in Gemstones, focuses on inclusions in the major commercial gems (diamonds, rubies, sapphires, and emeralds) and inclusions in rare and unusual host materials, such as ekanite and taaffeite. More Details...

Photoatlas Vol 3

Photoatlas of Inclusions in Gemstones, Volume 2

Once again, Dr. Eduard J. Gübelin and John I. Koivula have collaborated to produce an impressive pictorial atlas of gemstone inclusions. Renowned for their unique ability in capturing the beauty of the internal world of gemstones and bringing an artistic sensibility to a scientific subject in their photomicrographs, Dr. Gübelin and Mr. Koivula bring to Photoatlas, Volume 2 their considerable expertise and combined experience in laboratory gemology, mineralogy, geology and chemistry. More Details...

Photoatlas Vol 2

Photoatlas of Inclusions in Gemstones, Volume 1

Photoatlas, Volume 1, first published in 1986 and now in its fifth printing, has become a standard reference in the gemological field. Dr. Eduard J. Gübelin and John I. Koivula collaborated on this book, producing an exhaustive resource on the geological paragenesis of gemstones, as well as the physical, optical, and chemical properties of gemstones and their guest inclusions. More Details...

Photoatlas Vol 1

These books are available through GIA (USA) and GEM-A (UK) bookstores.


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