Posts Tagged ‘Ceylon’
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 […]
Tags: beryllium diffusion, Burma, Ceylon, gem enhancements, Geuda, glass filling, heat treatment, Kashmir, Madagascar, surface diffusion
Posted in Gemstones, Jewelry Facts | Comments Off on What is the Best Color for Blue Sapphire? Part 4
Wednesday, September 16th, 2009
We published this article February 2009 with good response. Since Sapphire is the stone for September, we thought it appropriate to republish, with minor additions, editing, new pricing information and larger pictures. Early in my career as a gemologist, while working the gem identification counter at the GIA Gem Trade Laboratory in Santa Monica, I […]
Tags: beryllium diffusion, Ceylon, Chatham, GRS, Madagascar, Padparadscha, Robert Crowningshield, Sri Lanka, Tunduru
Posted in Custom Jewelry, Gemstone of the Month, Gemstones | Comments Off on What is the True Padparadscha? Again!
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. […]
Tags: alluvial mining, Burma, Ceylon, county of origin, gem gravel, GIA, GRS, heat treatment, Kashmir, Madagascar, Mogok, Sri Lanka
Posted in Gemstone of the Month, Gemstones | 1 Comment »
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 […]
Tags: Australia, blue sapphire, Burma, Ceylon, heat treatment, hue, Kashmir, Madagascar, Montana, saturation, Thailand, tone
Posted in Gemstone of the Month, Gemstones | 3 Comments »