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"Jaguar" agates from WY
  
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jrh4




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PostPosted: Dec 01, 2019 17:17    Post subject: "Jaguar" agates from WY  

Hey y'all, I was wondering if anyone has ever seen anything like these "meteorite" agates before. I have my own theories as to how they could be formed like that, but I'm curious what other people think. They certainly are unique! What do you think they are and what kind of processes made them look so amazing?


IMG_0144.JPEG
 Mineral: agate
 Locality:
Wyoming, USA
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jrh4




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PostPosted: Dec 03, 2019 19:52    Post subject: Re:"Jaguar" agates from WY  

I can't believe this many people have viewed this post and no one has an opinion to offer up. Here's another pic (I guess I can only add one at a time and they won't let me post links). Who thinks they know what's going on here and how these things are formed?


IMG_0061.JPEG
 Mineral: agate
 Locality:
Wyoming, USA
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Jordi Fabre
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PostPosted: Dec 04, 2019 03:19    Post subject: Re: "Jaguar" agates from WY  

jrh4 wrote:
I can't believe this many people have viewed this post and no one has an opinion to offer up....

As explained in FMF is a Forum about minerals FMF is a Forum about minerals. FMF is not a Forum about cut or polished stones, random rocks, or lapidary items. For those who want us to help identify a MINERAL specimen, we ask that you first look at: "What is this? / Where is it from?" and provide us with some basic information about the specimen.

Sorry to be so strict but we have received too many queries from people asking about material that just doesn’t interest us.
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jrh4




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PostPosted: Dec 04, 2019 13:31    Post subject: Re: "Jaguar" agates from WY  

Fair enough. I mean, an agate is a chalcedony mineral. And the inclusion and dendrites and plumes in these agates are all mineral deposits, right? I definitely thought there would be more interest and more opinions here, but I guess not. Thanks anyways
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Bob Harman




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PostPosted: Dec 04, 2019 14:27    Post subject: Re: "Jaguar" agates from WY  

I wasn't meaning to respond to this thread, but since you were interested in your example, I will try to tie the thread up.

"An agate" is defined as microcrystalline quartz, var. chalcedony, with banding or lacy patterns. Agate collectors that I know, like to collect/display whole agate slices (often displayed under water) or large portions of the slices to show off these architectural details. Most collectors that I know, don't think much of just little pieces.

Your pictured example has no size dimensions given with it. Also the photos are not so good. It seems like a small piece of something, maybe water worn(?), like patterned
chalcedony, which may be a small piece of an agate, but I would not call it "an agate".
In addition, the not so good photos (what is the specimen size and what is that blue ring??), are not even good enough to positively call the specimen chalcedony; from the photos, I can't even completely rule out a piece of patterned plastic!

So, I suggest taking your example to a local rock club and getting the members' opinions of the example. BOB
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