Talk:Specific Gravity
From The Gemology Project
Revision as of 14:40, 28 October 2006 by Africanuck (talk | contribs)
spell checked and edited. very nice video! it's so clear it looks like a "film". and away we go to color filters. Gemma 11:48, 28 October 2006 (PDT)
Agreed, these films are great! --Africanuck 14:40, 28 October 2006 (PDT)