«türkis» that means "Turk gem".

In South and Central America turquoise always had a special position. It was a holy gem for Actecks. They use it like a natural protection from evil spell. Modern healers advise to wear turquoise jewelry to people prone to depressions. Its joyful color improves your mood.

People like to present turquoise jewelry with great pleasure cause it is considered that turquoise jewelry promotes stable relationships and helps to keep faithfulness. So, I guess it will be a perfect romantic gift for her.