HEATKEYS

Comprehensive information database on the subjects of diamonds, gemstones, jewelry design and fabrication, gemology, geology, and a complete history of jewellery and gem mining throughout the world.

Adriano Genisi è consulente a livello internazionale in materia di perle, perle coltivate, perle naturali

Scijourner.org is the online science news magazine written by Saint Louis area high school students and teachers. The site is underwritten by a grant from the National Science Foundation [link to nsf.gov] and is overseen by the Scijourn research team...

The term Japanese akoya pearls is a misnomer. It is no longer an accepted industry term, yet it is widely used to over-value akoya pearls presumed by the consumer to be of higher inherent quality.

WikiAnswers: Questions and Answers from the Community

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

This new search tool allows you not only to search the PCT database of about 1.6 million International Applications but also the patent collections of ARIPO, Cuba, Israel, Korea, Mexico, Singapore, South Africa and Vietnam. This search facility featu...

A growing source for natural pearls and all things related...jewelry, information, images, pearl button jewelry, ecards, and videos.

An in-depth illustrated study of the Girl with a Pearl Earring by Johannes Vermeer

The World

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...