Friday, April 29, 2011

[Geology2] Re: Greenish rock with veins of green "glass"

--- In geology2@yahoogroups.com0wrote:
> --- In, "coyote272" wrote:
> > It's light green, and had several deep veins of (what
> > looks like) green "glass" inside it.
> The whole sample is glass--technically. But in this case this
> appears to be silicate slag from a smelting operation.

Thank you very much, Eman! This object has stumped me for a third of a century. As astonishing as I find your answer, I love it since neither I nor the people I've asked over the years came up with any plausible answer.


"Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth." -Arthur Conan Doyle


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