[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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