View Single Post
Old 13th October 2017, 12:00 PM   #7
AHorsa
Member
 
AHorsa's Avatar
 
Join Date: May 2014
Location: Rhineland
Posts: 92
Default

Hi All,

thanks for your replies and help!!
As figured out, the problem as even to start with geographic area, as it potentially could come from anywhere.
Maybe the material gives a hint: It seems to be Gypsum...
Does that help?

Cheerio
Andreas
AHorsa is offline   Reply With Quote