Patricia, you're absolutely correct: I should have been more clear. : ) Thanks, Kathy On Dec 16, 2009, at 8:26 AM, Patricia Savage wrote: > Nice article. I know I'm being a stickler, but Prussian Blue is not > the first synthetic blue. It is the first synthetic made using more > modern techniques. > > The Egyptians created two artificial blues: Alexandrian Blue (a > double silicate of copper and calcium) and the ancestor for Delft > blue which is based on cobalt. > > Cheers, > Patricia Savage > 816 Valerie Dr. > Raleigh, NC 27606 > www.psavageartist.com > [log in to unmask] > 919-859-2789 > > > > > Kathleen Garness wrote: >> Prussian Blue was the first synthetic blue pigment - but it seems >> its role in nature goes even deeper: >> >> http://www.sciencedaily.com/releases/2009/12/091214121451.htm? >> utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A >> +sciencedaily+%28ScienceDaily%3A+Latest+Science+News% >> 29&utm_content=Google+Feedfetcher >> >> Interesting! >> >> KG >> >> >> "Never doubt that a small group of thoughtful, committed citizens >> can change the world. Indeed, it is the only thing that ever >> has." - Margaret Mead >> >> Need to leave or subscribe to the Sciart-L listserv? Follow the >> instructions at >> http://niobrara.unl.edu/users/lana/gnsi/listserv/ >> > > Need to leave or subscribe to the Sciart-L listserv? Follow the > instructions at > http://niobrara.unl.edu/users/lana/gnsi/listserv/ "Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has." - Margaret Mead Need to leave or subscribe to the Sciart-L listserv? Follow the instructions at http://niobrara.unl.edu/users/lana/gnsi/listserv/