The more distinct the change of colour, the more valuable the stone. Alexandrite is considered most valuable and desirable based on the intensity of the color change. Alexandrites are available from 0.01 carat to over 3 carats in many different shapes. Zultanite has a fairly high hardness of 6.5 to 7, falling short of the other well-known color change gemstone alexandrite. It was one of the most prized gemstones amongst Russian Aristocracy. Alexandrite is a rare mineral variety of Chrysoberyl. The color changing gemstone Alexandrite is one of the rarest gemstones in the world. Alexandrite can be easily cleaned using a mild soap and warm to room-temperature water. Alexandrite gemstones can be wiped down using a soft cloth or a soft bristle toothbrush. A poorly-cut amethyst commands a lower rate in the retail market. It became the official national stone of tsarist Russia. The stone is named the Sauer Alexandrite, weighs 122,400 carats and is held in Souer's private collection at Amsterdam Sauer in St. Thomas, Virgin Islands (USA). Alexandrite birthstone or June birthstone alexandrite is a very special and rare gift to celebrate your own birthday or the birthday of a loved one. 1977 . A gemstone for experts and gemstone lovers. Having traded in Alexandrite gems for over 30 years we have the experience of selecting the best stones for the rarest gem. Correspondingly, how hard is an alexandrite stone? The single greatest factor affecting the value of an alexandrite is the naturally-occurring color change that amazed the people who first discovered the stone. With its good hardness of 81/2, alexandrite is an uncomplicated stone to wear. Alexandrite is a hard and durable gemstone, so anyone can wear alexandrite as a collector or in a piece of jewellery. Russian aristocrats regarded alexandrite as their most prized gemstone, which ultimately inspired them to begin supplying the stone. Your gemstone should be checked by a gemologist but your first clue is if the stone changes color under different light sources. 1973. High-quality alexandrite can fetch over $30,000 per carat. Alexandrite is a beautiful bluey-purple gemstone (though it can vary from green to red as well) and is variety of chrysoberyl. That’s because alexandrite gems withstand daily activities quite well. Discovering that the stone had the special ability to change colors depending on the kind of illumination it is exposed to, green in sunlight and red in lamplight, the stone became the national stone of tsarist Russia whose military colors were green and red. Often considered as Friday’s stone, or the stone of “Friday's Child,” this stone was first discovered in the 19th Century. A distinct color change is the primary qualification for a chrysoberyl to be considered Alexandrite. For those June babies who aren’t captivated by pearls, the famous color-changing stone alexandrite, is an alternative birthstone. Its feature is the color changing under different lighting conditions. Being both responsive to light changes and strongly pleochroic makes alexandrite a fabulous gemstone to wear in jewelry. Unlike emeralds, the hardness of alexandrite is 8.5 and a stone free from major inclusions is extremely durable. 1. Faceted Alexandrite gemstones with good color change are considered very valuable, even when visible inclusions are present. High specific gravity i.e. With its good hardness of 8.5, alexandrite is an uncomplicated stone to wear. It has excellent toughness and no cleavage, which is a tendency to break when struck. In 1839, the stone got its name as Alexandrite as it appeared green or red. Despite this it is suitable for jewelry, but you will have to be careful with it. Creative Crystals Inc., of San Ramon, California (USA) patent and manufacture synthetic alexandrite using the flux method. Wearability: One can wear alexandrite jewelry with relatively more ease compared to those made from tanzanite. During the day its color is a bluish green or green and during the night ( that is in an incandescent light) its color is red or a purplish red. A fine alexandrite should show a vivid bluish-green in daylight and a purplish-red in artificial light, without any trace of undesirable brown or grey. Alexandrite gemstone – a mysterious and magical is the variety of chrysoberyl. Alexandrite. When seen in broad day light, this gemstone is seen in its normal green color that changes to red color in halogen or tungsten light. Alexandrite is a stone of prosperity and longevity. There was a time when alexandrite was available in abundance. A GIA Colored Stone Identification & Origin Report assesses the characteristics of a mounted or loose alexandrite (weight, measurements, shape, cutting style and color), indicates whether it is natural or laboratory-grown and names any detectable treatments, and can issue an opinion on geographic origin, when possible and requested by the client. This stone was unknown before 1830. Alexandrite is a member of the emerald gemstone family and a variation of Chrysoberyl. George Kunz, a gem buyer, had a deep-seated interest in alexandrite. After years of mining, it looked as though alexandrite was going extinct. it should be heavier than an average stone of the same size. Alexandrite Fights Blood Cancer; By inducing the death of cancerous cells in the body, Alexandrite stone fights the deadly blood cancer. Alexandrite is the variety of chrysoberyl that displays a change-of-color from green to red. It balances mind and emotions, pacifies soul and promotes spiritual growth. Good quality alexandrite is rarer than colorless diamonds and can be costlier than popular stones like emeralds, sapphires and rubies. When outside in daylight, an Alexandrite stone is a green or greenish-Blue. In the case of alexandrite, the size and the clarity of a stone are important clues in the determination of its origin. Page 1 Page 2. The video below of synthetic alexandrite earrings shows both the blue-green and purple colors of the stone. Alexandrite rates an 8.5 on the Moh’s scale, third only to the diamond and corundum, making it very practical for everyday wear. Alexandrite … The more distinct the change of colour, the more valuable the stone. To maintain the gem's beauty, proper cleaning of alexandrite jewelry is important. If you want to enjoy the luxury and special feeling of rare stones, we recommend using platinum and white gold. This gemstone has the tendency to change its color, when viewed in different types of lights, hence it is found in green-red color. This two tone gemstone is ideal for use in jewellery and its durability makes it suitable for everyday wear. It’s rare because of its unique makeup – titanium, chromium, and iron. This powerful stone gives you a better insight in the situation and allows you to enjoy your life to the fullest. In daylight the alexandrite is a dark green, but under artificial light it becomes red-violet. We buy only Brazilian and when possible Russian Alexandrites which offer the desirable colour change. Rare stone ‘Alexandrite’ is known to everyone. It also has perfect cleavage, this means that it can more easily split when you are not careful while wearing it. Even so, it is still important to properly care for your jewelry or stones. Zultanite usually has great clarity and crystals are usually eye clean. The lab created alexandrite shares the 8.5 rating. The color of the gemstone should be strong reddish-purple to purple without any tinge of brown. how to wear gemstones. Fortunately, more were found in Ceylon and Brazil. The cut of the gemstone should be perfect and immaculate. A fine alexandrite should show a vivid bluish-green in daylight and a purplish-red in artificial light, without any trace of undesirable brown or grey. Seen in daylight alexandrite will exhibit an emerald green tone and under created light a ruby red colour. A. GIA evaluates alexandrite but does not grade it. Alexandrite and chrysoberyl in general is a very durable and is suitable for everyday wear. George Kunz’s Influence . These colours were the old Imperial Russia’s military colours. A fine alexandrite should show a vivid bluish-green in daylight and a purplish-red in artificial light, without any trace of undesirable brown or grey. The more distinct the change of color, the more valuable the stone. Alexandrite History. The best way to clean the stone is with mild dish soap and warm water, using a soft toothbrush. 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