Puzzled !

[Daprezident661]

I was looking through an old bucket of rocks I collected when I was a little boy and came across this rock .. It's heavy for its size the surface of it is rough, with little holes all over like a sponge .. Not sure if its location

 

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[Daprezident661]

 

[Tnmountains]

Almost looks like quartz. I do not know. Am still looking at your last post. Are you in gold country?

 

[Daprezident661]

USA California

 

[DDancer]

Looks to be chalcedony but its a bit porous for the surface. Could just be a bit of worn milky quartz to but I reckon it'd polish up nice if the bubbling does not extend to far into the stone.

 

[Rockhunter1620]

More likely a rock-type called, or known as Quartzite. RH