>Yes Ilia, sorry about adding gypsum
>to the mental mix. I
>believe they have found some
>present in the Greek
>frescoes at Knossos though. It
>was never used outside.

It would be great if you can post parts of that article here. So our collection grows for everybody!

you might
>be wary of using Blanc
>Fixe for your whites -
>its true name is barium
>sulfate.
>
Totaly right. I personally do not use any other white except "bianco sangiovani" (could never learn the spelling.)
This is the fancy word for dried and ground into powder lime putty.
I think, I have posted this in other thread "use of white in fresco"

i found the link

http://www.truefresco.com/dcforum/DCForumID1/41.html#5

Ilia.

which pigments are you getting?