In article , "The Natural
Philosopher" says...
wrote:
On Sat, 28 May 2005 00:08:15 +0100, "andrewpreece"
wrote:


Sharp sand has angular grains, less gradation, and I believe makes a
stronger
mortar, but it won't handle well or have the range of adjustment that
soft-sand


Is there any reason why graded crushed glass couldn't be used in
admixture with sharp sand?

AJH

I thought that essentially that is what sand actually is.

Why on earth we dont just throw bottles into a smasher and then into the
sea and let that do the job of reducing them to coloured pebbles and
sand I don't know...

Because it's more economical to reuse it as glass?