Léa Rémy (1) DOI : 10.63000/G8lrV226x7LVP Abstract HISTORY OF A PRECIOUS METAL: ALUMINUM JEWELRY IN THE 19TH CENTURY First produced in its pure form in 1854, aluminum emerged as an industrial material of progress while simultaneously asserting itself as a precious and...
Haimanot Sisay (1), Vincent Pardieu (2), Léonard Cornuz (3) DOI : 10.63000/G8hsV226X7k9P Abstract FIELD REPORT: THE RUSH FOR PARAÍBA TOURMALINES FROM ABULOO, ETHIOPIA - Newly discovered copper-bearing tourmalines near Abuloo village, in the Oromia Region, triggered a...
Emmanuel Thoreux (1) DOI : 10.63000/G7etV126SO23Mx Abstract SPINY OYSTERS FROM THE STATE OF BAJA CALIFORNIA, MEXICO - This article focuses on spiny oysters (Spondylus) from Baja California, Mexico. It specifies the main species involved (Spondylus crassisquama and...
C’est avec beaucoup de fierté et de joie que nous vous annonçons la sortie du septième numéro de la revue GEMMES. Au sommaire de ce numéro, vous retrouverez les contributions de Jean-Pierre Gauthier, Marine Bouvier, Nicolas Stephant, Jacques Fereire, Marie Chabrol,...
ASTÉRISME INHABITUEL SUR UN BRUT DE GRENAT SPESSARTITE/ALMANDIN DU BRÉSIL Jean-Pierre Gauthier (1), Marine Bouvier (2), Nicolas Stephant (3), Jacques Fereire (1) DOI : 10.63000/G7jpgV126ag3al Abstract Unusual asterism in a rough spessartine / almandine garnet from...
Marie Chabrol (1) & Charline Coupeau (2) DOI : 10.63000/G7mcV126ls1mjo Abstract Louis Soury: a forgotten jewelry house. Fully embedded in the cultural and artistic context of his time and favored by the press as well as appreciated by his clientele, Louis Soury...
Jean-Pierre Gauthier (1) DOI : 10.63000/G7jpgV126nsn74 Abstract THE PYRITIC SCHIST NODULES FROM THE ARVAN VALLEY (MAURIENNE) - The rare nodules from the Arvan valley (Savoie) displayed at the 2025 MinéraLyon exhibition are composed of a pyrite core in a mass of black...
Lauriane Brémond (1) DOI : 10.63000/G7lbV126rPN34 Abstract THE "BLACK PRINCE' RUBY" : A STUDY IN RED. The “Black Prince’s Ruby” is one of those historic gemstones which appeal to us, thanks to their own shine, but also to the many stories surrounding them. It is now...
Claire Chapuis (1) DOI : 10.63000/G7ccV126Pgc95 Abstract Colombia, a country renowned for the exceptional quality of its emeralds, was the setting for a month-long expedition, centered mainly in the region of Muzo. This exploration has provided insight into the...