Nothing new there but I can't resist to post some pics a friend sent me.    He placed a string in a glass tube containing a spice saturated solution of naphta. Because it was in a glass tube, the naphta needed two months to evaporate enough.      Here some very thin crystals growed along the string.    [img:d56dd96485]http://img252.imageshack.us/img252/6389/crystalgarland1ml5.th.jpg[/img:d56dd96485]    The end of the string that was dip in the naphta:    [img:d56dd96485]http://img266.imageshack.us/img266/2227/crystal1dv3.th.jpg[/img:d56dd96485]