Talking about the hardness of blue topaz
January 31st, 2011
Talking about the hardness of blue topaz for your Asscher Engagement Rings, it ranks 8 at Mohs’ scale. So, we can say that it is a durable gem. Topaz comes with different beautiful looking shapes and sizes. Regarding the color, it comes in blue, yellow, white and many other colors. Among them blue topaz is the wonderful gem which are found from dark blue to lighter blue hues. Naturally mined blue topaz is very rare and uncommon. Topazes that are found in the markets today are mostly artificial. They are produced in the laboratory through the process of irradiation over white topaz. The increasing demand of blue topaz has also increased the price of white topaz.
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