Ruby in ancient "refers to" red gem "everything. Yet in Britain in the crown jewels can find two big famous ruby -- black taizi ruby and iron agaric ruby. The two ruby has a long history. In fact, they are red spinel. Today, ruby red corundum marries the gem grade. Ruby is from mineralogy charms jewellery look, mineral corundum crystals, chemical components of alumina, crystallization of the wafer, perfect tripartite hexagonal crystal is often barrel shaped or columnar. The hardness of MaShi hardness of corundum castble, second only to the diamond, nine is the hardest one of minerals. Due to the high pandora bead hardness, wondering in jewelry inlaid on good ruby through long-term wearing also won't scratch or sueding gem, it is as one of the important advantages. But, corundum sex brittle, can not withstand collisions, wondering and daily wear should take note, lest suffer bump fracture. It made the pandora refractive index medium (1.780), dispersion - low (the determination), show vitreous burnish unto king kong luster. Chemical properties very stable, in the air in the cove, also won't burn, melting point up to 2050 degrees Celsius, insoluble in acid, all of these properties, are senior gem required.
Ruby red, is because the crystal charm jewellery containing trace amounts of chrome oxide, it not only appeared in visible light, and in red under uv irradiation, will be issued under bright red fluorescent. Therefore, ruby in contains ultraviolet ray sunshine looks more beautiful. Ruby has strong two color sex, show bright red and orange pandora uk red. Ruby red tonal change much, have pink, red to amaranthine, dark red, etc. Only moderate depth to wine to mauve transparent corundum to called ruby. The red in color and uniform for the best. One of the most high-quality as Burma in an extremely rare called "pigeon" ruby red. Natural output of ruby pandora wholesale particles generally small, achieve a carat has not saw. So far, the biggest found in the world, its weight and the biggest ruby near the gem diamond, from Burma, 34.5 carats. And the biggest "pigeon blood-red" ruby weighs only 55 carat.
Although every year, but most of the pandora jewellery charms ruby mined high-quality gem accounts for only 0.1%. Mainly because stones often appear cloud, crack, dot, silky inclusions and other defects. However, in most cases, the color is more important than transparency. Ruby color sometimes is not uniform, show the speckled or pinstripe shape.
Gem is larger, the price pandoras of every carat and significantly increase. In addition, the cut of the stone quality also influence its price, because it affects the color, luster gems.
A long time ago, ruby has become numerous workforce, gem of the ancient religious concept, it is pandora rings online auspicious symbol, can prevent serious illness, and can protect the owner's titles and wealth. The ancient indians gems as "the king of the ruby, and today more mean life and vitality. Its valued as biblical job said: "the only wisdom worth more than rubies".
Ruby is ShiSe beauty, lanbao, few individual small, so more precious than sapphire ruby. At jewelry line, ruby is often called "MeiGuiZi gem". Its magnificent limpid, showily colour and jewellerys lustre, high hardness and scarce, and diamond, during which is located in the world, has been among the five gem is rich and noble symbol. In the world of jewelry is considered "custom birth and stone", representing July with bright and beautiful mid-summer, at noon as symbol of enthusiasm and faithful caught fire.