http://www.crystalandstones.com Properties of natural crystal precious stones, birthstones, gemstones, lithotherapy, crystal healing, chakras Sat, 28 Jan 2012 13:06:41 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://www.crystalandstones.com/about-precious-stones/ruby.html http://www.crystalandstones.com/about-precious-stones/ruby.html#comments Wed, 16 Sep 2009 15:43:58 +0000 precious stones http://www.crystalandstones.com/?p=85 In the dichroscope the ruby shows two images, one square of a violet red, the second square being a truer and a paler red. It may be subjected to strong heat, when it changes its colour to a sooty or dirty slate, this varying with the locality in which the stone is found, and the [...]]]> http://www.crystalandstones.com/about-precious-stones/ruby.html/feed 0