Research Article Search Results

There’s only one place on earth where the general public can prospect for diamonds directly from a primary kimberlite pipe: Crater of Diamonds State Park.

Researchers from De Beers Group Technology present a technique that expands on the surface luminescence used in the DiamondView instrument to provide additional imaging information and quickly distinguish colorless or near-colorless natural diamond from laboratory-grown diamond.

Whimsical windmill-like inclusions are found in a high-quality orange specimen of the rare mineral sphalerite.

A master gem carver bases his latest design off a stunning stained glass window when attempting the world’s largest known cut kunzite.

Scientists in Russia construct an origin story through the analysis of petrified wood popularly used in the souvenir trade.

Lotus Gemology in Bangkok received a large parcel of dark red spinels for identification.

Rubies from Mozambique, which were examined at the Lotus Gemology lab in Bangkok, proved to be infilled with böhmite, a secondary mineral in corundum.

Mineral and fluid phases within negative crystals in metamorphic sapphires provide us with general information on the sapphire and the trapped fluid itself.

Presents a study that suggests optically brightened pearls can be consistently separated from non-brightened pearls using fluorescence spectroscopy.

A rough diamond crystal weighing 4.05 ct was observed with radiation staining on its surface.

Presents the four major groups of defects responsible for the color in nearly all yellow and orange diamonds.