Article Search Results

Show Filters
Showing 14 results for "*"
The Wittelsbach Blue

This article describes what is known about the Wittelsbach Blue since it was first reported in 1666, and the gemmological information released to date on this diamond.

Read More

Star of the South: A Historic 128 Ct Diamond

This article presents the first complete gemmological characterisation of the historic 128.48 ct Brazilian diamond known as the Star of the South.

Read More

Emerald and gold treasures of the Spanish galleon Nuestra Señora de Atocha

During the 1970s and 1980s, treasure hunters discovered the centuries-old remains of the sunken Spanish galleons Nuestra Señora de Atocha and Santa Margarita.

Read More

Lapis-Lazuli from Sar-E-Sang, Badakhshan, Afghanistan

lapis-lazuli is an ornamental stone (figure 1) that has been found in the artefacts of some of the oldest known civilisations.

Read More

Harry Winston: A Story Told in Diamonds

An overview of some of the most fabulous and famous diamonds that Harry Winston has known.

Read More

Raman Investigations on Two Historical Objects from Basel Cathedral: The Reliquary Cross and Dorothy Monstrance

Two ecclesiastical objects of the late Gothic period (1350–1520) were investigated to identify the gemstones that adorn them.

Read More

Gemstone Carving in China: Winds of Change

Chinese master carvers have produced some of the world's most sophisticated gemstone carvings.

Read More

An Examination of Four Important Gems

Several famous and historical gemstones in the Smithsonian's collection are examined and reported on.

Read More

Fingerprinting of Two Diamonds Cut from the Same Rough

With the information from a combination of tools now available, the sophisticated gemmologist can fingerprint a given stone.

Read More

Leigha: The Creation of a Three-Dimensional Intarsia Sculpture

This article illustrates the process of creating a contemporary three-dimensional intarsia sculpture.

Read More