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GIA's Gübelin Gem Project: Various Gems, Olivine - Rutile

Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

Article

Gems and Minerals from the Sub-Arctic

Sharon Bohannon, March 17, 2017

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

Characterisation of Peridot from Sardinia, Italy

Ilaria Adamo, Rosangela Bocchio, Alessandro Pavese, and Loredana Prosperi

Gem-quality peridot is occasionally found as mantle xenoliths within basalts near Pozzomaggiore.

Gemstone Durability: Design to Display

Deborah Dupont Martin, June 1, 1987

A treatise on the design, display, care and repair of fine gemstones.

Article

2014 Sinkankas Symposium on Peridot and Green Gems

Stuart Overlin, April 23, 2014

Peridot and uncommon green gems were the theme of the 12th annual Sinkankas Symposium.