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/imitation-gemstones/imitations-of-precious-stones.html http://www.crystalandstones.com/imitation-gemstones/imitations-of-precious-stones.html#comments Wed, 16 Sep 2009 14:53:23 +0000 precious stones http://www.crystalandstones.com/?p=56 We now arrive at the point where it is necessary to discuss the manufacture and re-formation of precious stones, and also to consider a few of the tests which may be applied to all stones. These are given here in order to save needless repetition; the tests which are specially applicable to individual stones will [...]]]> http://www.crystalandstones.com/imitation-gemstones/imitations-of-precious-stones.html/feed 0