Article Search Results

Show Filters
Showing 4 results for "*"
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

Gem-Quality Green Zoisite

A new transparent, gem-quality green zoisite has been discovered in the Merelani Hills of mineral-rich Tanzania.

Read More

Article
Titanium-Coated Tanzanite

For the first time, GIA's laboratory has examined tanzanite colour-coated with titanium.

Read More

Some Tanzanite Imitations

Since at least 1995, various materials have been manufactured to imitate tanzanite in the gem trade.

Read More

You are being redirected to GIA Alumni Association, LLC.

5