Crystal and stones » cutting 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 Cleavage of minerals http://www.crystalandstones.com/physical-properties/cleavage.html http://www.crystalandstones.com/physical-properties/cleavage.html#comments Wed, 16 Sep 2009 12:57:18 +0000 precious stones http://www.crystalandstones.com/?p=13 By cleavage is meant the manner in which minerals separate or split off with regularity.

The difference between a break or fracture and a “cleave,” is that the former may be anywhere throughout the substance of the broken body, with an extremely remote chance of another fracture being identical in form, whereas in the [...]]]> http://www.crystalandstones.com/physical-properties/cleavage.html/feed 0