Need help identifying these minerals

[AussieAiight]

Hi, i was given these minerals a while ago by my great grandpa along with many other rocks and gems.These two were interesting as I have no idea what they are.Any information would be appreciated!

 

[Indian Steve]

Try posting these in the Rock and Gems forum. Also try to get pictures outside in sunlight. The pictures that you have are not very good. Good Luck!

 

[Back-of-the-boat]

.Pretty sure it's pyrite or chalcopyrite.