Yeah, I wonder if anyone's ever etched a Campo crystal before?
Eric
On 1/19/2011 6:48 PM, Michael Gilmer wrote:
Hi Bob,
AFAIK, these are made by taking a low-grade ruster or "dog" and
freezing it in liquid nitrogen. Then frozen meteorite is then
shattered and it fragments along the crystal-plane boundaries of the
taenite and kamacite - the result is these "crystals" with a polished
appearance.
This process works best with coarse octahedrites of lower value like
Campo and Nantan.
Some people like them, some people don't. I think they are a neat way
to "upcycle" a lower grade piece into something more marketable, but
they are also a bit misleading because newbies may tend to think iron
meteorites naturally look that way.
Best regards,
MikeG
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On 1/19/11, Bob King<[email protected]> wrote:
Hi everyone,
This has been bugging me a while, but I've noticed lots of smaller
Campo del Cielos on eBay recently that look like very melted
Sikhote-Alins. Does anyone know what's going on with these? Is someone
blowing up Campos and melting down the pieces. Here's an example:
http://tinyurl.com/4nuvhwn
Thanks!
Bob
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