HEATKEYS

As a gemmological laboratory, we confine ourselves to the analysis and interpretation of the scientific characteristics of gemstones.

Alexandrite gemstone buyer and jewelry collector guide is a comprehensive encyclopedia with articles, guides, glossary and bibliography covering all the major branches of alexandrite gemstone and jewelry knowledge.

Welcome to GlitteringStones.com , this is an amazing site for those who are studying gemology. A gem or gemstone is also called precious or semi-precious stone which is a small piece of precious mineral that is polished and then used in making jewell...

Find laboratories for microbiology, analytical chemistry, bioanalytical, pharmaceutical testing, food testing, clinical, materials, physical, electrical, toxicology, environmental, blood, biomedical testing. For industries such as the pharmaceutic...

Jewelers' Circular Keystone (JCK) is the jewelry industry's leading trade publication and jewelry industry authority and a must-read for independent jewelry retailers.

PR Newswire’s news distribution, targeting, monitoring and marketing solutions help you connect and engage with target audiences across the globe.

The Gemological Institute of America, GIA, is the world

Direct Importers and Facetors of Fine Quality, Colored Gemstones at the BEST Price. Selling fine and unique gemstones from around the world to goldsmiths, jewelers, collectors, investors and the general public for over 30 years. Photos and price lis...

Zoominfo

Jewelry Making - Informational site on jewelry and related fields, offers a substantial library of articles and technical data, mailing list, galleries and trade tools.

The Gemology Project: The Largest Gemological Database on the Internet