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27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
27 Mar-14:39:29 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-05:21:48 Re: the mim museum in beirut, lebanon (Mim Museum)
27 Mar-05:03:26 Re: trying to find information on rose/pink quartz and tourmaline associations. (Ning)
27 Mar-02:39:50 Re: the mim museum in beirut, lebanon (Tobi)
27 Mar-00:23:28 Re: collection of volkmar stingl (Volkmar Stingl)
26 Mar-00:53:41 Re: collection of volkmar stingl (Volkmar Stingl)
25 Mar-13:32:10 Re: collection of michael shaw (Michael Shaw)
25 Mar-00:25:58 The mizunaka collection - quartz (Am Mizunaka)
23 Mar-13:35:22 Re: collection of firmo espinar (Firmo Espinar)
22 Mar-08:32:28 Re: collection of michael shaw (Michael Shaw)
22 Mar-04:20:41 Re: the mim museum in beirut, lebanon (Mim Museum)
21 Mar-22:49:19 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:47:40 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:45:25 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
21 Mar-14:35:08 Re: jim’s mineral collection (Jim Wilkinson)
21 Mar-14:15:36 The 4th phoenix heritage mineral show (phms) hosted by mineralogical society of arizona (m (Chris Whitney-smith)
21 Mar-04:36:10 Re: the mizunaka collection (Tobi)
21 Mar-04:11:47 Re: jim’s mineral collection (James Catmur)
20 Mar-23:34:15 The mizunaka collection - quartz (Am Mizunaka)
20 Mar-18:13:16 Re: jim’s mineral collection (Jim Wilkinson)
20 Mar-14:06:43 Re: dry gill mine, caldbeck fells, cumbria, uk (Forrestblyth)

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Newest Specimen
  
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Elana614




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PostPosted: Jun 29, 2020 05:42    Post subject: Newest Specimen  

Please help identify. This is the same specimen on both sides. I've done some research myself I'm coming up with chords but I'm sure that's probably wrong.


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James Catmur
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PostPosted: Jun 29, 2020 05:47    Post subject: Re: Newest Specimen  

Sadly the first photo is out of focus. Could you please do a few tests?

https://www.mineral-forum.com/message-board/viewtopic.php?p=19487#19487

Not sure what you mean by 'chords', as it is not a mineral I have ever heard of.
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Elana614




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PostPosted: Jun 29, 2020 06:04    Post subject: Re: Newest Specimen  

I will do my best to try to test. I'm not sure what the word "chord " was supposed to mean either :). It must have been spell check. I have however come up with some possibilities like I stated earlier smokey quartz or possibly topaz. The more I look the more confused I get but thank you for looking.
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Elana614




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PostPosted: Jun 29, 2020 06:08    Post subject: Re: Newest Specimen  

Maybe this is clear.


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James Catmur
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PostPosted: Jun 29, 2020 06:13    Post subject: Re: Newest Specimen  

Sadly, no it is not clearer. Where is it from? Based on the photos so far I have no ideas what it is
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vic rzonca




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PostPosted: Jun 29, 2020 06:57    Post subject: Re: Newest Specimen  

It looks like slag to me, but only a guess.
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Bob Morgan




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PostPosted: Jun 29, 2020 07:27    Post subject: Re: Newest Specimen  

Could it be mica? Does it cleave in layers?
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SteveB




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PostPosted: Jun 29, 2020 07:31    Post subject: Re: Newest Specimen  

vic rzonca wrote:
It looks like slag to me, but only a guess.

I agree its very much slag, especially from those blurry photos showing ground dirt embedded in the underside of the glassy slag. Certainly not smokey quartz or topaz, or resembling anything natural.
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lluis




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PostPosted: Jun 29, 2020 09:42    Post subject: Re: Newest Specimen  

in case it serves for anything, it looks to my eyes as slag, very dark smokey quartz broken or obsidian.
Taken in account that obsidian is mean to be had near a volcano and no locality is given, I would think it is not obsidian. Also, looks as an odd one if it was....

For smokey quartz, same as said for obsidian. In case it would be, looks extremely odd.,
So, possibilities, it is not

As a slag, it has all possibilities.... Looks like the piece of "anything" that was shown to me when very young.... Looked as obsidian, just it was found in a street in Barcelona, an area where no volcanoes are not known... Then, simply a mass of slag from anywhere and anytime....

To me.just slag....

With best wishes

Lluís
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James Catmur
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PostPosted: Jun 29, 2020 12:23    Post subject: Re: Newest Specimen  

I also thought of slag, but waited for more information
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Elana614




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PostPosted: Jun 29, 2020 18:17    Post subject: Re: Newest Specimen  

I just got this yesterday. A neighbor of mine was moving and gave me a few specimens once she saw my humble collection.
A geode , amethyst and this. I just got home from work and I'll attempt a couple tests. I'm not sure where she got it from and I live in Northern, Ohio, USA. (Not sure if that's relevant yet.)
Either way I am even curious now after reading your responses. Thank you for taking an interest and helping.
Even in my poor camera skills. 👍
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vic rzonca




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PostPosted: Jun 30, 2020 05:37    Post subject: Re: Newest Specimen  

Location is always relevant.
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Pete Modreski
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PostPosted: Jun 30, 2020 06:54    Post subject: Re: Newest Specimen  

Elena,

That first side of the rock, your first picture, looks very much like granite--exactly like granite. it seems! (Though as was mentioned, gravel derived from decomposed granite, can be very similar.) But the other side--it certainly looks "glassy", but many things, that are not really "glass", can look glassy--like smoky quartz, some radioactive "metamict" minerals (is the specimen unusually heavy?), as well as obsidian, slag, and so on.
For you, there is probably no substitute for finding someone to bring the rock to in person--at a rock shop, or... well, a knowledgeable proprietor of a rock shop might be the very best person to try to show it to. Just from photos, for something like this, it's always going to be a matter of just "educated guesses".
Best of luck with this!
Pete
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