Sapphire is a precious gem, which is highly sought after by jewelry lovers because of its beautiful blue color. However, how was its existence discovered and proved? Let's discuss it below.

Early sapphire

Sapphire existed in ancient times. The earliest records can be traced back to the 8th century BC, and some sapphires were found in ancient Persia (now Iran). Ancient people cherished sapphire very much and thought it represented center and strength.

In the subsequent history, sapphires gradually spread all over the world. It is used to make jewelry, decorations and utensils. In India, sapphire was once used to make glasses lenses, and because of its high hardness, it was also used to make wear-resistant equipment in industry.

Chemical composition of sapphire

Sapphire is an oxide gem containing aluminum. Its chemical formula is Al2O3. Compared with other gems, sapphire is the second hardest gem, second only to diamond. Sapphire usually has a shiny surface, but its color is usually uneven.

The color of sapphire is determined by the content of chromium and iron in it. Sapphire is usually blue, but it can also be purple, green and yellow. The purest sapphires are very rare, and their colors may come from chromium or cobalt.

Evidence of sapphire

The proof of the existence of sapphire is mainly achieved through scientific research. The earliest research was to find sapphire in nature and analyze its chemical, physical and crystallographic properties. These analyses enable scientists to find out the chemical composition and physical properties of sapphire, thus proving that sapphire really exists and is a real gem.

With the passage of time, scientists also discovered the method of synthesizing sapphire artificially. By imitating the process of sapphire formation in nature, people can use various chemical and physical techniques to make sapphire. These artificial sapphires can be compared with natural sapphires, which further proves the existence of sapphires in nature.

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The existence of sapphire has been widely recognized by the scientific community. With the development of science and technology, people's research on sapphire is also deepening. We believe that in the near future, the study of sapphire will reveal more information about this beautiful gem. Although sapphire is a rare gem, its beauty and value make it highly sought after by jewelry collectors.