Article Search Results

Show Filters
Showing 44 results for "*"
Emerald crystals from Colombia, Afghanistan, and Zambia
Photoluminescence Spectra of Emeralds from Colombia, Afghanistan and Zambia

Compares PL spectroscopy data of 48 emerald samples from three countries to evaluate the usefulness of the technique in geographic origin determination.

Read More

Jaipur, India: The Global Gem and Jewellery Power of the Pink City

Examines Jaipur’s role as a coloured stone cutting and jewellery manufacturing centre, with profiles of 17 companies and their factory, trading and retail operations.

Read More

Emeralds from Musakashi, Zambia
Three-Phase Inclusions in Emerald and Their Impact on Origin Determination

Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.

Read More

Agates from Sidi Rahal, in the Atlas Mountains of Morocco

A report on the chemical and mineralogical analysis of samples’ solid inclusions.

Read More

Characterisation of the New Malossi Hydrothermal Synthetic Emerald

A new production of hydrothermal synthetic emeralds.

Read More

Emeralds from the Kafubu Area, Zambia

Zambia is considered the world’s second most important source of emeralds by value (after Colombia).

Read More

Classifying Emerald Clarity Enhancement at the GIA Gem Trade Laboratory

One of the greatest concerns with emerald filling is the degree of clarity enhancement such treatment represents

Read More

On the Identification of Various Emerald Filling Substances

Criteria for distinguishing emerald filling substances were investigated.

Read More

Characterisation of Chinese Hydrothermal Synthetic Emerald

Synthetic emeralds grown hydrothermally in an alkali-free, chlorine-bearing solution have been manufactured in Guilin, China, since 1987.

Read More

Update on Emeralds from the Sandawana Mines, Zimbabwe

Zimbabwe’s Sandawana mines have been an important producer of emeralds for 40 years.

Read More