Posts Tagged ‘heat treatment’

Eight Tips for Buying a Fancy Sapphire

Friday, September 21st, 2012

If you think all sapphires are blue, take another look– this gorgeous bracelet is set with in an amazing array of beautiful sapphires, from deep purple to soft green to sunset orange to bright pink to golden yellow. In the gem trade, we call these unusual colors “Fancy” sapphires. Here are some handy insider tips […]

Heat Treated Stone Helps Endangered Humans Survive

Friday, August 20th, 2010

The desire and ability to exploit our environment and to utilize and improve the natural materials we find is rooted in our deepest past, and is in fact, part of the reason we are here today. I was absolutely fascinated by an article in the August 2010 Scientific American, When the Sea Saved Humanity, that […]

What is the Best Color for Blue Sapphire? Part 4

Friday, October 2nd, 2009

Blue, the color of sky, ocean, peace and tranquility has long been associated with purity and wisdom. Blue colors dominate many forms of spiritual art. Cardinals of the Catholic Church, exemplars of chastity and celestial purity, often wore rings of blue sapphire. Blue has always been an important color for mankind, so when we ask […]

What is the Best Color for Blue Sapphire? Part 3

Thursday, September 10th, 2009

Blue sapphires are found in many countries worldwide. The geological conditions in which they form determine the quality of the sapphire crystals. Some locales are known to produce exceptionally fine crystals, yielding extra fine gems. Each locale produces a range of gem material that shares common characteristics that are directly related to its unique geology.  […]

What is the Best Color for Blue Sapphire? Part 2

Saturday, September 5th, 2009

The characteristics of any gemstone are directly related to the crystal from which it is cut, so it's important to understand how the physical nature of the crystal influences the color of  the gem. In the case of blue sapphire, one of the more common crystal forms is an elongated six sided dipyramidal form, as […]

What is the Best Color for Blue Sapphire? Part 1

Thursday, September 3rd, 2009

Our clients often ask “What is the best color blue sapphire?” There are two answers– the obvious is that personal preference should dictate your color choice. Every person has unique abilities to perceive color, based on such things as age, health, culture and genetic gifts. Some people prefer light pastel colors, others prefer rich intense […]

Member - American Gem Society Member - American Gem Trade Association Polygon - The Jewelers Information Highway Harmony Recycled Precious Metals Firemark Diamonds