Many consumers are not aware that a blue topaz is caused by treatment. Blue is not its natural color. Also, topaz has many colors, which includes pink and purples that rival the finest fancy sapphires. Fancy sapphires have a mixture of colors that are not often found in a jewelry store.
AGTA Amends Code of Ethics-ICA
I just got this and this is news that you need to know about if you are in the Wholesale Gemstone Industry. AGTA has made some amendments to their code of ethics. Even if you are not an AGTA member,…
GEM MINING IN AFGHANISTAN
Afghanistan is a well-known gem producing country accommodating some of the oldest mines in the world. The four main gemstone-producing areas are Badakhshan, Jagdalek, Nuristan, and the Panjshir Valley. Afghanistan is known to have exploited its precious and semi-precious gemstone…
Garnet is SO Diverse
I was sitting down the other day to write an article about garnet, being January’s birthstone and all, I figured it made sense.
PANTONE COLOR OF THE YEAR
Pantone Inc. is a corporation headquartered in Carlstadt, New Jersey, best known for its Pantone Matching System (PMS), a proprietary color space used in a variety of industries, primarily printing, though sometimes in the anufacturing of colored paint, fabric, and…
Opal is the National Gemstone of Australia. It is a hydrated amorphous form of silica with a structure that makes it diffract light and take on many colors. Precious opal ranges from clear through white, gray, red, orange, yellow, green,…
Emerald means ‘green gemstone’. It is a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium and sometimes vanadium. Emeralds are fascinating gemstones. They have the most beautiful, most intense and most radiant green color, the…
Amethyst has a beautiful wine color and the Greeks associated it with Bacchus, the god of wine. Many believed that amethyst can keep its wearer clear headed or able to make rational business decisions as well as quick-witted in battle. If you wear it than it prevented drunkenness. Never knew a gem has that much power but the Greeks believed it.
There were legends for every gem that cultures have came across in time. Even today we have many legends about colors. The legend not to wear white after Labor Day. Another legend you only wear black to a funeral. Red roses mean romance. Yellow roses means friendship. Pink roses means love/appreciation. Orange roses mean enthusiasm. Imagine if those things were true.
It’s easy to understand why people confused the tourmaline with other gems: Very few gems match the gem’s dazzling range of colors. From rich reds to pastel pinks and peach colors, intense emerald greens to vivid yellows and deep blues, the breadth of this gem’s color range is unrivalled. Brazilian discoveries in the 1980s and 1990s heightened tourmaline’s appeal by bringing intense new hues to the marketplace. (http://www.gia.edu/tourmaline-history-lore)
Soon the gem was identified in the late 1800’s in California and it was known as the American gem by the Tiffany gemologist George F. Kunz.
Tanzanite comes from the mineral Zoisite, which has a variety of colors. It is mined commercially only in one area of the world: the Merelani Hills of Tanzania.
There are not just blue and red sapphires. Sapphires can come in colors of violet, green, yellow, orange, pink, purple and intermediate hues. These sapphires are called the “fancy sapphires”. It can, also be parti-colored sapphires that shows a combination of different colors. Sapphires can change its colors according to the light of day or incandescent light.
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire. Rubies can command the highest per-carat price of any colored stone. This makes a ruby one of the most important gems in the colored stone market. Chromium is the trace element that causes the ruby’s red, which ranges from an orangey red to a purplish red. (http://www.gia.edu/ruby)
The redness of the Ruby comes from how much chromium is present or absence. The more chromium the red is brighter and the less chromium the lighter the color. The color is what makes the ruby so unique. The color red seems to catch people’s attention even if it’s a lighter red.
Gem experts differ on the degree of green that makes one stone an emerald and another stone a less-expensive green beryl. Some people in the trade tend to give the name emerald to any green beryl colored by chromium. But to most gemologists, gemological laboratories, and colored stone dealers, it is more correct to call a stone green beryl when its color is “too light” for it to be classified as emerald.