Ba – Barium

What do you do with chemists when they die? You barium.

you can collect the Barite specimens as shown above and listed below, or send a message to get a barite sample for $1!
Barite Crystals from the Sirius Mine near Grand Junction, Colorado
Vanadinite on Barite (Baryte)
Radian Barite (Baryte)
Blue Barite (Baryte) from Hartsel, Colorado

According to  there are 413 other known minerals containing Barium.

From Wikipedia:

According to wikipedia –