The guessing game

[hbrown22]

I've had these unique (to me!) rocks for a few years. Can someone take a stab at it, tell me what they are? Found in Tennessee.

This is black/grey and they seem more like "conical" growths than just one big rock. The crystal area has a few "swirls" in it. Seems heavy for it's size.




Type of agate? Found it here in Tennessee. Think the green veins are algae stains. Found the geode already broke open.



"Ham Bone" Type of chert? Have lots of it here in Tennessee.



Thanks!
Heather Brown

 

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[TeAra]

I have collected quite a bit of chert here in Tennessee myself but have yet to find one that looks like a ham bone..found one that looked like a deer hoof....neat find.

 

[pannerman]

The bottom one looks like a smiling cyclops ogre.