What are the compositions of the ruby gemstone?

Hello, Compositions of the ruby gemstone are as Follows. Red Rubies also known as Manik, are believed to have the power to make the wearer robust. read more

Ruby Gemstone is made of Aluminum Oxide. The chemical composition of Ruby Gemstone is Aluminium Oxide (Al2 O3). Its exact magnitude is 3.99 to 4.00 and refractive index series is 1.760-1.768 to 1.770-1.779.s Ruby’s hardness on Mohs scale is 9. read more

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. The word ruby comes from ruber, Latin for red. read more

Though Ruby can be one the most expensive gemstones, it also comes in more dull opaque forms that are fairly inexpensive, and are often polished into cabochons. A unique gemstone form composed of opaque red Ruby in contrasting green Zoisite is well known from Tanzania, and is used as a minor gemstone and can be carved into ornaments. read more