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levi.nivison
Joined: 20 Feb 2016
Posts: 6
Location: Tucson, AZ
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 Posted: Feb 20, 2016 22:52 Post subject: I need everyone's opinion on this specimen I found. |
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I was metal detecting for coins in an old ghost town near Tucson, AZ. Near a telephone pole I found what looked to be fulgurite. It was partially buried. It was about 30 yards from the telephone pole. As I took a closer look at the pole, I noticed that there was a black streak burn mark down the middle of it.
When I took the specimen to a Rock & Mineral shop, he said that it looked like a fulgurite as it has the look of being fused with copper wire in it. He went on to say that it was probably a glass insulator from a telephone pole. This makes sense, as I found it near one. He also said that the glass had a blue tinge to it, and that he had never seen such a fulgurite type specimen in his years and travels as a geologist. He went on to say that he's has never even seen anything like it on the internet as well.
Can anybody here identify this specimen with the pictures provided down below.
| Mineral: | Fulgurite? |
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levi.nivison
Joined: 20 Feb 2016
Posts: 6
Location: Tucson, AZ
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| Posted: Feb 20, 2016 22:55 Post subject: Re: I need everyone's opinion on this specimen I found. |
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I here is the telephone pole I found it near.
| Locality: | | Arizona, USA |  |
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19459 Time(s) |
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levi.nivison
Joined: 20 Feb 2016
Posts: 6
Location: Tucson, AZ
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| Posted: Feb 20, 2016 22:56 Post subject: Re: I need everyone's opinion on this specimen I found. |
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More pictures.
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19460 Time(s) |
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levi.nivison
Joined: 20 Feb 2016
Posts: 6
Location: Tucson, AZ
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| Posted: Feb 20, 2016 22:57 Post subject: Re: I need everyone's opinion on this specimen I found. |
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More pictures.
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19437 Time(s) |
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levi.nivison
Joined: 20 Feb 2016
Posts: 6
Location: Tucson, AZ
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| Posted: Feb 20, 2016 22:59 Post subject: Re: I need everyone's opinion on this specimen I found. |
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More pictures.
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19453 Time(s) |
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Bob Harman
Joined: 06 Nov 2015
Posts: 765
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| Posted: Feb 20, 2016 23:37 Post subject: Re: I need everyone's opinion on this specimen I found. |
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| I agree that it could well be an old broken glass insulator associated with the telephone lines. Also likely is glass slag. Whatever it is, it looks man created and not natural. CHEERS.....BOB
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levi.nivison
Joined: 20 Feb 2016
Posts: 6
Location: Tucson, AZ
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| Posted: Feb 20, 2016 23:59 Post subject: Re: I need everyone's opinion on this specimen I found. |
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| No, I have seen PLENTY of slag. And that's not slag. Even the Geologist said that he saw fusion. Slag does not produce fusion. And I have seen plenty of melted glass too. But none of that melted glass had ANY fusion.
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kushmeja
Joined: 28 Jul 2014
Posts: 244
Location: New Jersey
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| Posted: Feb 21, 2016 00:14 Post subject: Re: I need everyone's opinion on this specimen I found. |
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| Bob Harman wrote: | I agree that it could well be an old broken glass insulator associated with the telephone lines. Also likely is glass slag. Whatever it is, it looks man created and not natural. CHEERS
.....BOB |
I'd have to agree that it's some sort of slag or man-made material.
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Duncan Miller
Joined: 25 Apr 2009
Posts: 138
Location: South Africa
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| Posted: Feb 21, 2016 04:38 Post subject: Re: I need everyone's opinion on this specimen I found. |
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| levi.nivison wrote: | | No, I have seen PLENTY of slag. And that's not slag. Even the Geologist said that he saw fusion. Slag does not produce fusion. And I have seen plenty of melted glass too. But none of that melted glass had ANY fusion. |
Molten glass and slag both are produced by fusion, i.e. melting. If your specimen consists of glass with copper wire in it, it probably is a fused glass insulator. Whether this happened through the pole's being struck by lightning or through a grass/bush fire in an abandoned settlement one cannot tell.
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marco campos-venuti
Joined: 09 Apr 2014
Posts: 227
Location: Sevilla
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| Posted: Feb 21, 2016 07:15 Post subject: Re: I need everyone's opinion on this specimen I found. |
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Your opinion make sense, but this is not the right forum.
You can find a real expert at www(.)tektites(.)co(.)uk.
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Pete Modreski
Site Admin
Joined: 30 Jul 2007
Posts: 710
Location: Denver, Colorado
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| Posted: Feb 22, 2016 16:20 Post subject: Re: I need everyone's opinion on this specimen I found. |
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| I agree that this most likely appears to be, fused glass from a lightning strike on this telephone pole. Especially with what appears to be the black burned streak down the side of the pole. And, copper or other metal inclusions in the glass, make sense.
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