A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.
Read MoreFor most of the 20th century, the principal source of fine spessartine was the area around the Little Three mine near the town of Ramona in southern California.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Read MoreThis section, from the Summer 1996 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreA colour change in rough garnet is observed and plotted in GIA’s Carlsbad lab.
Read MoreThis article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read MoreThis section, from the Summer 1988 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreGemmological, chemical, spectroscopic and microscopic properties of blue-green colour-change garnets from a new deposit near Bekily, Madagascar, are given.
Read MoreThis section, from the Summer 2004 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Read MoreThis section, from the Summer 2003 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
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