GIA's Gübelin Gem Project: Various Gems, Taaffeite - Zoisite
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Abstracts; Summer 2009
This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Gemstone Durability: Design to Display
A treatise on the design, display, care and repair of fine gemstones.
Gem-Quality Green Zoisite
A new transparent, gem-quality green zoisite has been discovered in the Merelani Hills of mineral-rich Tanzania.