Please help!

[Joescollection2012]

I had no idea there was a geological forum on here, but anyways I found two types of rock that sounded my metal detector off. Since small gold and iron fall into the same category on my detector I can't say for sure what it could be. NOW, The darker colored rock can be picked up with a magnet! While the other one with the goldish hue to the center of it can not.

Here are two shots of the magnetic rock.

That rock was very, very hard to break into.

Here are three shots of the non-magnetic rock.

That rock was fairly easy compared to the other rock to break into.

Should I look into these rocks more or am I wasting my time with some common things that I think are different? Please help, any info would be greatly appreciated!

 

Amazon Forum Fav 👍

Family Maps of Hinds County, Mississippi, Deluxe Edition - Grab it through Amazon!

[rock]

They look interesting but I dont know.

 

[Eu_citzen]

First one is likely magnetite (magnetic) and pyrite (non magnetic).

Uncertain about the other one, looks like basalt. Could also be pyrite, do a streak test; rub against an unglazed piece of porcelain. What colour? Also, can the goldish stuff be scratched by a knife?