A yellowish green crystal inclusion in a ruby is found to be vesuvianite.

Inclusions with unusual formation are found in a treated Fancy Vivid yellow diamond.

The decay of the transient 2800 cm^–1 absorption peak in a Fancy gray diamond is observed.

Linear strain patterns are found in an HPHT synthetic diamond.

Curved linear inclusions, unusual in corundum, are found in sapphire acquired in Vietnam.

A rare inclusion scene is found in a garnet crystal from Namibia.

A collectable inclusion specimen is created by introducing garnets to synthetic quartz during the growth process.

A newly found deposit of sapphire in Madagascar is explored.

A report from the fifth World of Gems Conference, held September 23–24 at the Loews Hotel in Chicago.

The surface texture of a diamond is affected by the gemstone’s structure.

A doubly terminated zircon inclusion survives multiple treatments in a translucent bangle of jadeite jade.

Popular “candy agate” beads are identified as epoxy-filled chalcedony at the Taiwan Union Lab of Gem Research.

Lab analysis proves that a bangle with “floating flower” inclusions believed to be jadeite jade or albite is actually highly translucent aventurine quartz.

Rio Tinto sells its final collections of pink and blue Argyle diamonds at record-breaking prices.

Renewed mining interest in Montana promises a return of the famous Yogo sapphire to the gem trade in the coming years.

The discovery of apatite and CO₂ in a single inclusion in sapphire is reported for the first time by the Carlsbad laboratory.

Examination of a large black oval cabochon reveals an intense orangy brown and black polyp structure, indicating natural black coral.

An unusual hematite crystal from Pakistan hosts a geometric outer skin of sagenitic rutile.

Pink faceted tourmaline reveals unique colorless windmill-shaped zoning.

A detailed fluorescence analysis of pink grossular is documented for the first time.