These beautiful rainbow covered clusters vary in colours slightly, some might have more green, some may have more blue etc, but you will receive a clusters similar to the photos but each is unique and very cool!
Bismuth is man made in laboratories and these always have one or two flat silver surfaces where they were broken off from their main cluster. They are metal not stone!
It will measure approximately 2cm x 1.5cm.
Please check the size before you buy.