The ruby birthstone is a variety of the mineral corundum, getting its signature red color from small deposits of the element chromium within the stone. The redder and more saturated rubies have more chromium in
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum, and is rated at a 9 on the Mohs hardness scale. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. Rubies are thought metaphysically to promote courage,...
Rubies: The most desired variety of corundum is the ruby. The red color is produced by trace amounts of chromium in the mineral. These two beautiful rubies were mined in Madagascar. The one on the left is a 7 x 5 millimeter octagon that weighs about 1.32 carats. The one on the right...
A ruby is a pink-ish red to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal ...
1.A red, translucent variety of the mineral corundum, highly valued as a precious stone. 2.Something, such as a watch bearing, that is made from a ruby. 3.A dark or deep red to deep purplish red. adj. Of the color ruby. [Middle English, from Old Frenchrubi, from Medieval Latinrub...
Our mineralminers.com Special Offer Price for this exceptionally fine genuine "Ceylon" ruby set in a fine 14K yellow gold pendant with an E, VVS 0.05 Carat diamond is $3540.00, total price. The GIA Certificate will be included. Ruby Necklace, 18 inch Code: rbyj118xee_ruby-jewelry ...
1.A deep red, translucent variety of the mineral corundum, highly valued as a precious stone. 红宝石:深红色、半透明刚玉矿产,因是珍稀宝石价值很高 2.Something, such as a watch bearing, that is made from a ruby. 红宝石制品:用红宝石制成的东西,如表的轴承 ...
Superb hexagonal ruby crystal, the red-pink gem variety of the mineral species corundum, in green zoisite matrix. The ruby crystal has exceptionally rich color and runs completely through the matrix. Longido, Arusha, TanzaniaRuby in Zoisite, also known as Anyolite, is a unique gemstone that ...
Ruby, gemstone composed of transparent red corundum (q.v.), a mineral form of aluminum oxide, Al2O3. Its colour varies from deep cochineal to pale rose red, in some cases with a tinge of purple; the most valued is a pigeon-blood red. The red colour arise
The following article is fromThe Great Soviet Encyclopedia(1979). It might be outdated or ideologically biased. Ruby (Late Latinrubinus, from the Latinrubeus, “red”), a variety of the mineral corundum (Al2O3) distinguished by the replacement of Al3+ions by Cr3+ions (from hundredths of ...