[meteorite-list] Magnetite/Glass Meteorite Balls

[Bill]

This subject has been mentioned so many times. Is there a single classified particle from this method of collection?

Bill




> -----Original Message-----

> From: rsvp321 at hotmail.com

> Sent: Fri, 13 Jul 2007 00:42:54 -0400

> To: sterling_k_webb at sbcglobal.net, clp at alumni.caltech.edu,

> meteorite-list at meteoritecentral.com

> Subject: Re: [meteorite-list] Magnetite/Glass Meteorite Balls

> 

> >>....somebody here on the list recounted

> their successful retrieval of micrometeoroidal dust from their

> gutters this way...

> 

> 

> Hi, all,

> 

> I suggest you don't attempt to gather celestial dust near a building - a

> lot

> of asphalt shingles have  granules with magnetic qualities.

> I attempted this recently, and collected what was obviously from my own

> rooftop.

> 

> Cheers,

> Pete

> 

> From: "Sterling K. Webb" <sterling_k_webb at sbcglobal.net>

> To: "Chris Peterson" <clp at alumni.caltech.edu>,"Meteorite List"

> <meteorite-list at meteoritecentral.com>

> Subject: Re: [meteorite-list] Magnetite/Glass Meteorite Balls

> Date: Thu, 12 Jul 2007 22:52:22 -0500

> 

> Hi, Chris, List,

> 

> http://www.sciencenewsforkids.org/articles/20030813/Feature1.asp

> (Scroll down past the Stardust Mission...)

> 

>      True, micron stuff from "shower" meteors takes

> a long time to drop, which is why it's falling all the time.

> The much larger, heavier, and vastly rarer low altitude

> meteor ablation product falls much more rapidly, but

> you have to have a meteor burn along overhead!

>      The eBay stuff, collected from a mountain stream,

> is a cumulate record of 100's (1000's?) of years (depending

> on how fast the sand is flushed). Collected pond muck,

> or the goop in the bottom of your gutters, can be harvested

> of meteoritic dust by mixing it with clean water and stirring

> with a magnet.

>      Years and years ago, somebody here on the list recounted

> their successful retrieval of micrometeoroidal dust from their

> gutters this way but I can't remember who it was. And another

> list member told of leaving a water collector out during "shower

> times" as a kid and collecting residue, but you're quite right --

> it couldn't have been contemporaneous dust!

> 

> 

> Sterling K. Webb

> -----------------------------------------------------------

> ----- Original Message -----

> From: "Chris Peterson" <clp at alumni.caltech.edu>

> To: "Meteorite List" <meteorite-list at meteoritecentral.com>

> Sent: Thursday, July 12, 2007 9:41 PM

> Subject: Re: [meteorite-list] Magnetite/Glass Meteorite Balls

> 

> 

>  > Meteoritic dust or cosmic dust: put a flat white

>  > plastic pan or small "splash pool" of water out away

>  > from the trees on the peak night of a meteor shower,

>  > and in the morning you will be rewarded with a black

>  > dust on the bottom of the pool...

> 

> Have you actually done this? Because the sort of micron-scale dust

> produced by meteors has an atmospheric lifetime measured in months.

> While there's certainly meteor dust falling all the time, you won't find

> any in the morning from the previous night's shower.

> 

> Chris

> 

> *****************************************

> Chris L Peterson

> Cloudbait Observatory

> http://www.cloudbait.com

> 

> 

> ----- Original Message -----

> From: "Sterling K. Webb" <sterling_k_webb at sbcglobal.net>

> To: "Mike Groetz" <mpg444 at yahoo.com>; "Meteorite List"

> <meteorite-list at meteoritecentral.com>

> Sent: Thursday, July 12, 2007 8:23 PM

> Subject: Re: [meteorite-list] Magnetite/Glass Meteorite Balls

> 

> 

>  > Hi, Mike, List,

>  >

>  >    The Seller believes this material to be "Jurassic"

>  > in origin because he finds it in sand produced from

>  > Jurassic strata, but while he's wrong about that, he

>  > may be right about it being meteoritic!

>  >

>  >    When a meteorite ablates in the atmosphere, the

>  > majority of its mass is turned into a dust of tiny fused

>  > droplets. Eventually, that meteoritic dust will fall to

>  > earth; some will land on water, sink to the stream and

>  > lake bottoms and become incorporated in the sand

>  > (or mud).

>  >

>  >    Meteoritic dust or cosmic dust: put a flat white

>  > plastic pan or small "splash pool" of water out away

>  > from the trees on the peak night of a meteor shower,

>  > and in the morning you will be rewarded with a black

>  > dust on the bottom of the pool, that could well be

>  > interpreted as:

>  >    "Meteorite balls, glass balls, zircons, garnet, magnetite

>  > and some other minerals... The balls are magnetite balls.

>  > Somethimes with the white transparents glass balls you

>  > can find some green balls that look like moldavite or

>  > olivina fused samples..."

>  >

>  >    Much more fun to collect your own than to

>  > buy it on eBay, though.

>  >

>  >

>  > Sterling K. Webb

> 

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