In school chemistry lessons, we learn that diamonds are composed of carbon, a chemical element found on the periodic table with the atomic number 6 and atomic mass 12.On Earth, diamonds were formed from carbon deep within its depths over 4 billion years ago, under extreme temperatures and very high pressure. This process occurred at a depth of 100-150 kilometers...
Sapphire gemstone refers to the mineral Corundum family, just like the ruby stone. ✦ History: In ancient times, hard stones were discovered among the Tamils in the regions of Southeast Asia, with corundum being one of the varieties found.Sapphire is considered a stone of wisdom and fidelity. Its light blue or blue hues symbolize the heavens and spiritual truth. In...
Gem Emerald, a gemstone, belongs to the beryl rock, green in color. Emerald is one of the most precious gems on the planet, by its estimated value it becomes in line with Diamonds, Rubies, Sapphires, and Paraiba Tourmaline. ✦ History: As far back as ancient times Emeralds were very highly valued and traded in the 4th century B.C. At that time...
The first tourmalines were discovered in the 1500s, and they were often mistaken for other gemstones such as emeralds and zircons. Tourmalines have a hardness of 7-7.5 on the Mohs scale. Tourmalines come in a variety of colors, spanning the entire spectrum of the rainbow. One notable variety is the Paraiba tourmaline.Paraiba tourmaline is considered the rarest and most valuable...
✦ History India is considered the birthplace of the diamond industry. The first mention of precious finds in this region dates back to the 3rd millennium BC. Crystals began to be transported to Europe in the 13th century, but the art of processing them was fully developed by the 15th century. The first diamond fashioned in a modern style was created...
