Gem Encyclopedia

Emerald: characteristics and curiosities

We have already learned about the history and characteristics of the ruby: this time we will focus on the emerald, a very important precious stone with an intense green color, much loved by Cleop...

Ruby: characteristics and curiosities

Jewelry is not only made of precious metals such as gold and silver, but also of precious stones. Among the many mineral varieties present in the world, 4 precious stones stand out with inestimabl...

Guinness World Record Mining: World's Largest Amethyst!

It is to date the largest amethyst ever mined in Uruguay: 15 whole tons of first-rate raw material worth several hundred thousand dollars. Twenty days of work to extract it without using explosives...