Prehnite

 In your pouch you have received an assortment of crystals in 3 different sizes:
Tiny: 3 per bag, use these in the cap of your pen, all 3 together or one at a time.
Extra Small: 2 per bag, use 1 at a time in the cap or barrel (if they fit) open the pen and place 1 in the barrel.
Small: 1 per bag These are for you to carry with you on your person.

Prehnite is extremely beneficial for memory, recollection and peace, and can be of great use to almost any user.