Pyrite Tumbled Stone

Pyrite is a very protective stone, shielding the user from negative energy of all kinds. ... Traditionally, Pyrite is known as a stone of luck, helping to attract abundance, wealth and prosperity to the user, via its creative energies of manifestation, and its encouragement of following one's dreams.

-via crystal vaults 

Pyrite can be used to bring a feeling of increased vitality during times of hard-work or stress. Pyrite is also great for balancing one's energetic fields. If you are feeling overworked lately, with no end in sight, then Pyrite might be for you! Pyrite makes a great gift