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cornwall stone (fwd)

updated sun 20 dec 98

 

David Orser on sat 19 dec 98



---------- Forwarded message ----------
Date: Thu, 17 Dec 1998 16:39:08 -0500 (EST)
From: David Orser
To: tmartens@jhb-proxy.mweb.co.za
Subject: cornwall stone


came across this substitution for cornish stone a while back.

potash spar 67
silica 22
kaolin 11

test test test