Crystal and stones » Cullinan 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 Cutting of precious stones http://www.crystalandstones.com/cutting-stones/cutting-of-precious-stones.html http://www.crystalandstones.com/cutting-stones/cutting-of-precious-stones.html#comments Wed, 16 Sep 2009 14:43:37 +0000 precious stones http://www.crystalandstones.com/?p=53 As existing in a state of nature precious stones do not, as a rule, exhibit any of those beautiful and wonderful properties which cause them to be so admired and sought after as to become of great intrinsic value, for their surfaces have become clouded by innumerable fine cuts or abrasions, because of the thousands [...]]]> http://www.crystalandstones.com/cutting-stones/cutting-of-precious-stones.html/feed 0 Crystalline structure http://www.crystalandstones.com/physical-properties/crystalline-structure.html http://www.crystalandstones.com/physical-properties/crystalline-structure.html#comments Wed, 16 Sep 2009 12:51:15 +0000 precious stones http://www.crystalandstones.com/?p=11 Before proceeding to the study of precious stones as individual gems, certain physical properties common to all must be discussed, in order to bring the gems into separate classes, not only because of some chemical uniformity, but also because of the unity which exists between their physical formation and properties.

The first consideration, therefore, may [...]]]> http://www.crystalandstones.com/physical-properties/crystalline-structure.html/feed 0