I know saphiret glass is a dichroïc glass: this kind of glass is brown and become blue near a light
I would like to know if these beads are saphiret glass beads
You can see the picture of these beads below (pictures 50 AND 51)
https://www.facebook.com/media/set/?set=a.1414780062077869.1073741826.100006376659090&type=1&l=3a1adb8e83

Many thanks for your advice always helpful and Sorry for my bad english from France!

Lucien