Cool rocks what do you think?

[dtinhb]

Here are a few more... I can't even begin to guess what these are!

This first one is a weird one... Slightly affects a magnet, no streak at all, and can't be scratched by a knife, but I could with a piece of agate I had laying around:




Rock 2:


Rock 3:

 

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[Eu_citzen]

#1 Is likely basalt or diabase
#2 Granitoid? Syenite? Images aren't clear. Take the hammer to it!
#3 Hammerin' time!

PS: Don't forget eye protection and gloves when breaking the rock!