Sky Blue 4.75 ct Natural Topaz ~ Swiss pair A.Q,
||9.91 x 7.16 x 4.74mm
SWISS BLUE TOPAZ :Natural Blue Swiss Topaz is one of the most attractive and stunning stones in this current day and age. From prehistoric periods, this shining blue gemstone has sparked our thoughts and charmed us. The purposes behind this stone might have been awakened by ancient principles, but the properties of it are still significant and relevant today. Blue Topaz, on the other hand, is a highly beneficial stone for those who want to build their confidence. In fact, it can benefit you physically, psychologically, and emotionally.CHEMICAL COMPOSITION:
Al2SiO4(F,OH)2 a silicate mineral of aluminum and fluorine with the chemical equation.TREATMENT:
Swiss Blue Topaz is a vivid medium, to medium dark blue topaz produced by combining neutron treatment with electron treatment, followed by heat treatment. After the electron beam treatment, the heat treatment is carried out at 200 C for approx. 180 hours. This produces strong blue colors. After neutron irradiation, topaz needs a cool off time of 8 months and then it can be safely released on the market.USAGE: Rings, necklaces, pendants and any other jewellery.
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