[TheForge] OT: Spring tile question

[Andrew Vida]

Exactly.  It was also used to polish jewelry prior to the advent of 
buffing machines and compound.  High silicate content.  I've actually 
used them just to see how well they work.  They are actually very good, 
though it is time consuming.

On 4/2/2012 12:15 PM, Bruce . wrote:
> Horsetails.  aka scouring rush.  Equisetum.
>
> These dinosaur-relic plants contain abrasive silica.
>
> On Sun, Apr 1, 2012 at 3:32 PM, Bob Smolen<boka at mwt.net>  wrote:
>> <snip>
> There is vegetation around the dry run on my
>> land that is water loving (I dont know the name but reeds that are used to
>> polish wood by wood turners per Roy Underhill).<snip>
>