[Rockhounds] The purest quartz sand in the world

[Carolyn Weinberger]

Been there with Alex on several occasions.  If you drive by the Unimum
plant you can see piles of the sand waiting to be processed.

Carolyn

On Tue, Aug 7, 2018 at 5:10 PM, Kreigh Tomaszewski <kreigh at gmail.com> wrote:

> The processor that makes your laptop or cell phone work was fabricated
> using quartz from this obscure Appalachian backwater.
>
> *https://www.wired.com/story/book-excerpt-science-of-ultra-pure-silicon/
> <https://www.wired.com/story/book-excerpt-science-of-ultra-pure-silicon/>*
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