Today, ruby are called only red variety of the mineral corundum, its closest fellow (by the composition is almost identical twin) - sapphire. The only difference in these two gems is a percentage of their coloring metal. Sapphire comes in many colors, but Ruby only in red, ruby bead necklace . Shades of ruby can vary from pale pink to red and black. The most "correct" ruby is those with the color of "pigeon blood" (bright red with a purple tint), but this stones are very rare. Sometimes on ruby surface can be observed the hexagonal star. This phenomenon is called asterism, such ruby ??stones are considered the most valuable and expensive, despite the fact that this star is created by inclusions, but not by the properties of stone itself. Of all the precious stones only to diamond by hardness is inferior ruby gemstone, like a diamond, it is fragile and can crack. This requires great care from cutter during faceting, and later jewelry with rubies is recommended to protect against fall and bumps. Its brilliance shine is similar to the brilliance of the diamond (but slightly weaker), and the price of an large ruby stone can be several times higher than those of diamond. Ruby gemstone symbolize power and passionate love. Today, rings or earrings with ruby ??show the high social status of their owner, ruby ring in white gold. Usually, almost all of the most valuable rubies are processed in Germany, Israel and Bangkok. A small proportion of stones came from Geneva, Antwerp and New York. But Japan - the main processor of the vast majority of star-shaped rubies (rubies with asterism). Today, as in all times, many connoisseurs of prestigious jewelery are interested in ruby. To buy it tend almost all wealthy people, and such a big demand for this stone was the cause of the apparition of synthetic ruby. It was first produced in France in the late 19th century. Active synthesis of star ruby began in 1947 and currently jewelry markets are full of fake stones. The optical effect of star in ruby crystal is obtained by adding in starting step a slight amount of titanium oxide material.
Related Articles -
buy sapphire necklaces, Carats Sapphire Earrings, ruby bead necklace, ruby diamond rings, ruby ring in white gold, buy gemstone earrings, buy gemsto,
|