Topaz stone12/29/2023 ![]() Emerald cuts are common in topaz that is strongly colored because this cut maximizes the color and retains a higher carat weight.ĭue to the large size of many topaz crystals, gemstones can often be quite large, but usually, one crystal is cut into more than one gemstone. These shapes would be oval or pear shapes, but they can also come in round and other shapes. Since topaz crystals are generally long and slender, they can be cut in shapes that yield the most value. In some cases, less pure stones will be used in jewelry. This is especially true for topaz that is colorless, blue, and yellow. Topaz used in jewelry will usually have no visible inclusions. These unique gems are used in fashion jewelry pieces. For this reason, there are a lot of blue topaz gemstones, so stones in this color range tend to be less valuable. Treatments can create the strong blue hues we are used to. Naturally blue topaz is rare, but most topaz is actually colorless. Since it is less expensive than a pink diamond and often available in larger sizes than both pink diamonds and sapphires, it can be advantageous to use pink topaz in jewelry. Pink topaz, often called rose topaz, looks similar to a pink diamond or sapphire. For this reason, imperial topaz is highly sought after. This is because less than one-half of one percent of all topaz gemstones are red. However, the most valuable topaz colors are orange-red to red. The 4 C’s are the same for grading these gems. Just like with diamonds, there are guidelines in place for grading the quality of topaz gems. In the United States, topaz has been mined in Utah, California, and New Hampshire. However, topaz can also be found in Pakistan, Afghanistan, India, China, Sri Lanka, Russia, Japan, Australia, Madagascar, Mexico, and the United States. The largest Topaz producing country in the world in Brazil. There are also synthetic topaz options on the market that are man-made in a lab. Silver topaz: colorless topaz, also called white topaz.Rutilated topaz: Topaz containing yellow needle-like inclusions of Limonite.Mystic topaz: Multicolored topaz with a rainbow-like effect the color is also caused by a thin metallic layer being placed over the stone.Swiss blue topaz: A sky-blue colored topaz that is lighter than London blue topaz.London blue topaz: Deep sky-blue topaz that is darker than Swiss blue topaz.Azotic topaz: Orange-pink topaz with a rainbow color effect this color is caused by a film deposition of a very thin metallic layer placed over the top of the gemstone.Sherry topaz: Yellowish-brown or brownish-yellow to orange color its name is derived from sherry wine, which is a similar color.Imperial topaz: Medium reddish-orange to orange-red in color it is one of the most expensive types of topaz. ![]() However, there are types that are given special names. Most “types” of topaz are just referred to by their color (e.g., blue topaz or pink topaz). Precious topaz is the orange-colored birthstone representing November, while blue topaz is the birthstone for December. Topaz is actually used for two different birthstones. Due to the natural shape of these gems, they are often cut into long oval or pear shapes. They also have grooves parallel to the length of the crystals. Additionally, topaz is pleochroic, which means that the stones can show different colors in different crystal directions. Pink, red, and purple topaz are caused by the element chromium. For example, brown, yellow, and blue topaz stones are caused by imperfections at the atomic level of the gem’s crystal structure. ![]() As an allochromatic gem, the color of each individual topaz stone is caused by impurity elements or defects in the crystal structure rather than an element of the stones’ basic chemical composition. ![]() This unique gemstone can be found in a variety of different colors including, yellow, brown, orange, red, pink, purple-red, blue, light green, and colorless. This mineral can also be found as water-worn pebbles in stream sediments. Topaz is a rare silicate mineral that generally forms in fractures and cavities of igneous rocks like pegmatite and rhyolite. ![]() Here’s everything you need to know about it. At Noe’s Jewelry, we have many customers interested in this unique gemstone. Since it was first discovered in Portugal in 1768, topaz has been celebrated for its beauty. This beautiful gemstone comes in a number of different colors in both warm and cool tones. As a continuation of our Gemstone Guide Series, this month, we are talking about topaz. ![]()
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