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These tiny iron spheroids and shale fragments originate from the area around the Canyon Diablo impact crater in Arizona.  The desert around the crater is littered with rusted scraps of nickel iron (meteorites) and these tiny spheroids.  When the giant iron impactor slammed into the desert floor, the resulting catastrophic explosion vaporized a large portion of the meteorite.  This vaporized portion condensed in the atmosphere and rained down as solidified droplets of meteoritic nickel iron.  Thousands of tons of this material was scattered around the desert.  Most of it is very tiny and can only be noticed after a magnet is dragged through the desert sand.  Harvey Nininger famously collected a large quantity of these spheroids for his research by dragging large magnets through the desert - sometimes towed behind his car.  The magnets attact a wide variety of materials, including small meteorites, spheroids, meteoritic shale (oxidized metal remains), and magnetite.  This material must be sorted through and the spheroids seperated out. 

In this offer you get a small scoop of material (mixed shale and spheroids) similar to that shown in the photo.  The black centimeter cube is shown for scale and is not included.  Your material will come in a glass vial that is stored in acrylic gemjar storage case.

If you don't want to sort through your own shale to seperate out the spheroids, I have pre-sorted spheroids available elsewhere on my site.  I also have larger rare earth magnets available.

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