Can anyone identify this mineral?

[Steve1236]

I was out hiking and I found an area with a bunch of these stone's, you chip away the white and it looks like opal but I don't think its opal, does anyone know what it is and is it worth going back to get more? Much thanks...

 

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[DDancer]

Chalcedony with what appears to be some sandrox *pretty sure I spelt it wrong, someone will set me right* in the brown areas. Certain formations of this material can yield fire agate.

 

[stdenis_jd]

Yeah, what DDancer said ^^

my first impression was potch Mexican opal

 

[IAMZIM]

I agree with DDancer and stdenis jd, looks just like fire agate I have seen from California.

 

[bandti7]

I'd say fire agate, yay I'm learning to notice fire agate =D I replied to a couple posts with a similar look to your rock, there more new, go check them out to compare =)

 

[TheOculus]

Where did you find it?

 

[Steve1236]

Near Wickenburg Az..there's a bunch of it in an area I came across out hiking/exploring.

 

[Cassews]

Interesting .. good find ..Thanks for sharing !!