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Steve Saturn
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Reged: 10/10/03
Posts: 1011
Loc: San Diego, CA
Could these be meteorites?
      #2339334 - 04/19/08 10:59 PM Attachment (31 downloads)

OK, I admit. I don't know the first thing about meteorites. I found these out in the desert in south central California over twenty years ago and thought that they were unusual enough to hang on to. A CN member told me about this forum a few minutes ago, so I thought I'd throw this post out for general discussion.

I just tested them with a magnet. No attraction. I did find them with a metal detector, which, as I recall, gave a pretty strong response. Could these be meteorites or just refugees from some earthbound ore deposit?

Thanks for your input!

Steve

--------------------
Celestron 11" XLT
Hyperstar
TMB 80/480
Losmandy G11/Gemini
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Steve Saturn
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Reged: 10/10/03
Posts: 1011
Loc: San Diego, CA
Re: Could these be meteorites? new [Re: Steve Saturn]
      #2339338 - 04/19/08 11:01 PM Attachment (22 downloads)

Here's pretty much the same shot with a quarter thrown in for scale.

--------------------
Celestron 11" XLT
Hyperstar
TMB 80/480
Losmandy G11/Gemini
QHY8 Camera


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Glassthrower
Vendor - Galactic Stone & Ironworks
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Reged: 04/07/05
Posts: 14687
Loc: Hurricane Alley
Re: Could these be meteorites? new [Re: Steve Saturn]
      #2339396 - 04/19/08 11:32 PM

Hi Steve!

Welcome to the Space Rocks forum.

In the last photo, the two specimens to the right of the quarter are almost certainly not meteorites. They don't look like anything I have ever seen in person or in photos. If they are not attracted to a magnet, then it's a safe bet they are not.

The two on the left, going by appearances only, could look like weathered/oxidized meteorites of some type, possibly iron. But if they are not attracted to a magnet, then they are certainly not iron meteorites. Even the most heavily oxidized will show some attraction to a magnet.

So, if I was a gambling man, I'd put my money on them being terrestrial in origin. The bubbly-looking one could be welding slag or some kind of industrial slag. But without seeing them in person and doing some more intensive tests (like a nickel test), there is no way to be sure just by looking at photos.

Whatever they are, they are oddballs for sure and I would probably pick them up and keep them as well. I have a drawer full of oddball suspect "rocks". They are not meteorites, but too interesting to discard.

Regards,

MikeG

PS - keep looking!

--------------------
Michael Gilmer - Member of the Meteoritical Society & Collector of Falling Stars.



Galactic Stone & Ironworks - Buy/Sell/Trade Meteorites, Moon Rocks, Mars Rocks, & 35 different falls and types!



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Steve Saturn
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Reged: 10/10/03
Posts: 1011
Loc: San Diego, CA
Re: Could these be meteorites? new [Re: Glassthrower]
      #2339415 - 04/19/08 11:43 PM

Hi Mike,

Thanks for the reply! Don't worry, I'm not disappointed by your thoughts that they're of terrestrial origin . Although you can't really tell by the photo, they're all pretty flat (less than a 1/4" thick). That seemed unlikely to me for something that might have fallen from the sky.

They're all quite heavy for their size and were found within a 50 foot radius. I do think that they're naturally occurring though, since I found them walking around in a god forsaken spot in the middle of nowhere.

Steve

--------------------
Celestron 11" XLT
Hyperstar
TMB 80/480
Losmandy G11/Gemini
QHY8 Camera


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meteorite
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Re: Could these be meteorites? new [Re: Steve Saturn]
      #2339437 - 04/19/08 11:57 PM

Hello Steve,

I concur with Mike. They look like meteor"wrongs" to me!

No magnetic attraction, no meteorite. There are a few meteorites which have little, if any magnetic attraction, but they are ultra rare and are primarily silicates

Sorry :-(

-Walter Branch

--------------------
GSO 10 inch Dob


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Steve Saturn
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Re: Could these be meteorites? new [Re: meteorite]
      #2339475 - 04/20/08 12:39 AM

No problem Walter. I look forward to receiving the real one :^)

--------------------
Celestron 11" XLT
Hyperstar
TMB 80/480
Losmandy G11/Gemini
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Jamie76
professor emeritus


Reged: 10/30/05
Posts: 583
Loc: Northern Wisconsin
Re: Could these be meteorites? new [Re: Steve Saturn]
      #2341392 - 04/20/08 11:20 PM

That one bubbly looking one could be hematite. I didn't realize Walter Branch was a member of CN. I used to be a visitor to the meteorite forum on Meteorite Central but there was too much bickering. I remember your posts as being very informative.

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Steve Saturn
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Posts: 1011
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Re: Could these be meteorites? new [Re: Jamie76]
      #2341429 - 04/20/08 11:34 PM

Hi Jamie,

Thanks for the reply!

I don't know my hematite from a hole in the ground, but I'll definitely Google it and take a look. Thanks for the tip!

Steve

--------------------
Celestron 11" XLT
Hyperstar
TMB 80/480
Losmandy G11/Gemini
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molniyabeer
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Reged: 01/08/05
Posts: 2061
Loc: Central Coast, California
Re: Could these be meteorites? new [Re: Steve Saturn]
      #2341549 - 04/21/08 12:47 AM

A quick test for hematite: take a piece of unglazed porcelain tile (the back side of most tiles usually works) and try to scratch it with the sample. If it's hematite, the sample will leave a distinctly red streak on the plate (no matter what color the bulk sample).

Clear skies.

--------------------
Steve
16" Meade LightBridge (Beowulf)
10" Hardin DSH, StarMax 127mm Mak, PST H-a
Oberwerk 11 x 70 binocs, Tasco 10 x 50 binocs

Santa Maria Clear Sky Clock


Figueroa Mt Clear Sky Clock






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meteorite
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Reged: 01/28/06
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Re: Could these be meteorites? new [Re: Jamie76]
      #2342150 - 04/21/08 12:22 PM

Hi Jamie76,

Thanks very much!


Hi Molniyabeer,

Yep, that's the test for hematite. The unglazed underside of a toilet tank cover works well

-Walter Branch

--------------------
GSO 10 inch Dob


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Steve Saturn
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Reged: 10/10/03
Posts: 1011
Loc: San Diego, CA
Re: Could these be meteorites? new [Re: molniyabeer]
      #2342307 - 04/21/08 01:35 PM

Thanks guys. I'm gonna pull the lid off my toilet tank when I get home!

Steve

--------------------
Celestron 11" XLT
Hyperstar
TMB 80/480
Losmandy G11/Gemini
QHY8 Camera


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molniyabeer
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Reged: 01/08/05
Posts: 2061
Loc: Central Coast, California
Re: Could these be meteorites? new [Re: Steve Saturn]
      #2371042 - 05/04/08 04:00 PM

http://meteorites.wustl.edu/meteorwrongs

Try this link for more "could this be a meteorite" info and pics. Neat stuff.

--------------------
Steve
16" Meade LightBridge (Beowulf)
10" Hardin DSH, StarMax 127mm Mak, PST H-a
Oberwerk 11 x 70 binocs, Tasco 10 x 50 binocs

Santa Maria Clear Sky Clock


Figueroa Mt Clear Sky Clock






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Steve Saturn
Pooh-Bah
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Reged: 10/10/03
Posts: 1011
Loc: San Diego, CA
Re: Could these be meteorites? new [Re: molniyabeer]
      #2371117 - 05/04/08 04:47 PM

Great website. Thanks!

--------------------
Celestron 11" XLT
Hyperstar
TMB 80/480
Losmandy G11/Gemini
QHY8 Camera


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