The GIA Library and Museum launch a Facebook group to encourage lively discussion among bibliophiles, museum curators, and gem enthusiasts.

Laboratoire Français de Gemmologie (LFG) receives several assembled cultured blister samples from Mayotte for gemological characterization.

A synthetic quartz crystal cluster is easily mistaken as a natural specimen.

Tiny crystal and particle cloud inclusions resemble a galaxy in a 2.01 ct diamond.

Vibrant blue apatite inclusions are observed in a garnet sample from an undisclosed source in Africa.

Diamonds for Peace conducts basic training on rough diamond grading for artisanal miners in Liberia.

A look at new gem material from the iridescent andradite deposit in Sonora, Mexico.

The Alumni Collective celebrates GIA alums from all over the world.

A newfound dinosaur site in the Hell Creek Formation of South Dakota leads to the discovery of pyritized triceratops fossils.

Pleochroic colors caused by cyclic twinning produce a kaleidoscope effect in alexandrite.

A 2.88 ct Colombian emerald plays host to a metallic yellow pyrite crystal.

Zircon, monazite, and apatite inclusions surrounded by yellow halos are observed in an iolite cabochon.

Numerous two-phase inclusions form a cross in a rock crystal pendant.

An inclusion with a metallic luster is observed in a pinkish orange padparadscha sapphire.

A Fancy Light gray diamond hosts numerous metal sulfide crystals.

An unusually large faceted fuchsite, the chromian variety of muscovite, was identified and its green color explained.