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A few finds out of creek
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KurtMoCWB




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PostPosted: Aug 09, 2018 16:16    Post subject: A few finds out of creek  

Just thought I'd share an amateurs finds. I'm pretty sure they are all quartz. All pulled from a small creek in Phelps County Missouri. Not far from where I live.


20180809_160333.jpg
 Mineral: Quartz
 Description:
 Viewed:  612 Time(s)

20180809_160333.jpg



20180809_160506.jpg
 Description:
 Viewed:  610 Time(s)

20180809_160506.jpg



20180809_160717.jpg
 Description:
 Viewed:  608 Time(s)

20180809_160717.jpg



20180809_160553.jpg
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20180809_160553.jpg


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Bob Harman




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PostPosted: Aug 09, 2018 16:45    Post subject: Re: A few finds out of creek  

Druzy quartz lining cavities in the limestone rock. Quartz lines the cavities with the crystal tips pointing inward. Classic for your area in Missouri. Iron County in Missouri is a classic locality for these type specimens. BOB
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Tom Tucker




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PostPosted: Aug 09, 2018 17:07    Post subject: Re: A few finds out of creek  

Yes Bob, some of those pieces are classic quartz druze from the Potosi Dolomite - a Cambrian age stratigraphic unit. The nomenclature may have changed in the 50 years since I left the area. But I'm not sure that formation outcrops in Phelps County - it's more to the southeast of you, as Bob says, Iron County. I believe the barite and galena mined in surface residuum around Old Mines was from the same formation. Tom
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KurtMoCWB




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PostPosted: Aug 09, 2018 17:15    Post subject: Re: A few finds out of creek  

Yeah, I keep finding druzy quartz like these. Where it's just clusters on other rock types. I can't seem to find any that have large quartz crystals. Also everyone keeps talking about the galena and pyrite in my area, but I haven't been able to find any or I have and I just don't know it yet. Here's another pic of one of my better quartz finds.


15338528817331117575908472565231.jpg
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15338528817331117575908472565231.jpg


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Bob Harman




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PostPosted: Aug 10, 2018 10:58    Post subject: Re: A few finds out of creek  

You won't find any "large" quartz crystals in Missouri, or, for that matter, in much of the sedimentary areas of the Midwest. The largest you might find might be up to 1.0 cm and even those would be rare. Even rarer are doubly terminated crystals up to 1.0 cm.

The conditions for the formation of larger quartz crystals just don't exist where the Midwest small druzy quartz crystal tips are found. BOB
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Bill R.




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PostPosted: Aug 10, 2018 12:24    Post subject: Re: A few finds out of creek  

I’d like to see other views of the last piece pictured.
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KurtMoCWB




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PostPosted: Aug 10, 2018 12:37    Post subject: Re: A few finds out of creek  

Same quartz


20180810_123522.jpg
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20180810_123522.jpg


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KurtMoCWB




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PostPosted: Aug 10, 2018 12:38    Post subject: Re: A few finds out of creek  

Here are both pieces


20180810_123512.jpg
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20180810_123512.jpg


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KurtMoCWB




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PostPosted: Aug 10, 2018 12:39    Post subject: Re: A few finds out of creek  

By the way this piece was found in a dry creek bed


20180810_123552.jpg
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20180810_123552.jpg


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Justin Hickok




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PostPosted: Aug 11, 2018 15:36    Post subject: Re: A few finds out of creek  

You may have pyrite in the first image but it has decayed out.
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KurtMoCWB




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PostPosted: Aug 11, 2018 18:44    Post subject: Re: A few finds out of creek  

What that golden piece (first picture) is pyrite? Thaught it was just quartz. That's awesome if it is pyrite.
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KurtMoCWB




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PostPosted: Aug 11, 2018 18:51    Post subject: Re: A few finds out of creek  

So is that also a pyrite vane running through this that has broke and been exposed?


1534031347929878521714735624535.jpg
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1534031347929878521714735624535.jpg


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Justin Hickok




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PostPosted: Aug 11, 2018 19:15    Post subject: Re: A few finds out of creek  

The mineral that looks decayed in the center of your first image. No not the whole thing.
Its really hard to tell without seeing it in person. Images can be deceiving.
You should definitely know pyrite when you see it. Im mining a pit with pyrite but most of it is limonite. A rusty pyrite.
But don't take my word for it because I'm just a rookie spectator. Seriously.
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KurtMoCWB




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PostPosted: Aug 11, 2018 19:34    Post subject: Re: A few finds out of creek  

Ok I see what you are saying now. Yes sometime pictures are decieving. I have a very good camera on my phone and do my best when taking pictures. It's pretty cool your mining a pyrite pit rite now. Where you located? I'm very much a rookie. I've been collecting rocks for years but just recently started investigating what things actually are and researching where to look. Not just picking up a rock cus its cool looking.
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Bob Harman




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PostPosted: Aug 11, 2018 20:20    Post subject: Re: A few finds out of creek  

Justin's enthusiasm has just confused the issue. To set things straight, you have quartz! Your very first picture shows a totally corroded small area which he has interpreted as possible corroded pyrite......well maybe........but it is now of no consequence. All the rest of your photos show just quartz in limestone matrix.

Since Justin mentioned "limonite", I might better define it. Limonite is generally regarded as an old term used for an earthy brown mixture of corroded iron oxides and sulfides including pyrite. Most collectors have little interest in "limonite", looking instead for unoxidized areas of the iron minerals such as fresher areas of the pyrite. BOB
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Justin Hickok




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PostPosted: Aug 11, 2018 21:50    Post subject: Re: A few finds out of creek  

Cool. You're lucky where you're at because of all the Native American artifacts.
Missouri is loaded!
Im mining in far southeast Colorado. Outside Lajunta. Im finding smoky quartz down here and as far as I know they aren't suppose to be here. Clear out on the plains.
But Ive hit an anomaly. So sometimes location doesn't mean a lot.
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Justin Hickok




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PostPosted: Aug 12, 2018 22:52    Post subject: Re: A few finds out of creek  

Kurt, im going to be posting a new thread tomorrow on my pyrite. I need some help identifying what else I'm finding with it. So I'm just saying you should check it out and if you're thinking about coming this way (toward Denver) let me know and we can go out to the location and spend a day. Because you seem to have a great interest in pyrite, marcasite, etc.
Justin
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KurtMoCWB




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PostPosted: Aug 13, 2018 19:49    Post subject: Re: A few finds out of creek  

Heck yea I'd be down to spend a day. I love Denver also. Ya know me and my girl are thinking about doin a lil vacation toad trip. We would have our dog with us possibly. Is that an issue? Yes I do have an interest in pyrite really any and all rocks,minerals, crystals and any kind of cool rock formations of all types and want to learn as much as I can. I just got back one of my peices of quartz I've had for a long time back today. I'll take a photo and post it. Also theres a big crystal that I believe to be quartz


20180813_194606.jpg
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20180813_194606.jpg


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KurtMoCWB




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PostPosted: Aug 13, 2018 19:52    Post subject: Re: A few finds out of creek  

That last picture was druzy quartz. I think. This second picture is a big piece of quartz crystal


20180813_194721.jpg
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20180813_194721.jpg


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Bob Harman




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PostPosted: Aug 13, 2018 20:49    Post subject: Re: A few finds out of creek  

KURTMoCWB, your last photo probably shows 2 pieces of broken and cleaved CALCITE crystals.......probably not quartz. Test by putting a few drops of vinegar on the crystals and watch them start fizzing. BOB
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