Article Search Results

Show Filters
Showing 14 results for "������������������������������2���"
Faceted wurtzite
Rare Faceted Wurtzite

A stone submitted for identification is revealed to be the first wurtzite examined by the GIA lab.

Read More

Jadeite bangle revealing natural inclusions
Jadeite Bangle with the Appearance of Polymer Treatment

A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.

Read More

Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

Read More

Jadeite of Guatemala: A Contemporary View

Many deposits of jadeite have been found in Guatemala during the last two decades.

Read More

Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Summer 2009

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

Read More

Jewel of purple and green jade
Jewellery Shanghai 2014

An insider look at the May 2014 show, held at the Shanghai Word Expo Exhibition & Convention Center.

Read More

Dyed-bone cabochon
Dyed Bone as a Red Coral Imitation

A specimen presenting as red coral is revealed to be dyed bone.

Read More

Jadeite boulder from Itoigawa, Japan
Japanese Jadeite: History, Characteristics and Comparison with Other Sources

Examines the sources, colour, texture and chemical composition of jadeite from Japanese deposits.

Read More

Nephrite Pendant
Nephrite Jade from Guangxi Province, China

Introduces the Chinese nephrite mine in Hechi and characterises the “band” and dendritic patterns found in this material.

Read More

Two shattuckite specimens
Shattuckite from the DRC

Rare shattuckite from the Democratic Republic of Congo, as seen at the Tucson Gem and Mineral Show.

Read More