Mindat.org - Jim Houran's articles http://www.mindat.org/u-8487.html The mindat.org user blog written by Jim Houran Birthstone Trivia for Mineral Collectors http://www.mindat.org/article.php/300/Birthstone+Trivia+for+Mineral+Collectors Fri, 04 Apr 2008 Published: Fri, 04 Apr 2008, Subject: Birthstone Trivia for Mineral Collectors