Ruby Wallpaper

驚人的Ruby和珍貴的圖片高清壁紙

Incredible Ruby Photo Gallery - Wallpaper Unique Illustrations - Ore Art Images Free Download !

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum. The red color is caused mainly by the presence of the element chromium. Its name comes from ruber, Latin for red. Other varieties of gem-quality corundum are called sapphires. Ruby is considered one of the four precious stones, together with sapphire, emerald and diamond.

Amazing Ruby and Precious Pictures HD Wallpapers - Digital Art High Definition !

Fun Facts : Rubies have a hardness of 9.0 on the Mohs scale of mineral hardness. Among the natural gems only moissanite and diamond are harder, with diamond having a Mohs hardness of 10.0 and moissanite falling somewhere in between corundum and diamond in hardness.

Download also our other AWESOME WALLPAPERS for your android mobile phone.

All Wallpapers in HD - the best PHOTOS of Ruby , Precious , Stone , Ore in the WORLD!

Ideal app for your Tablet and Smartphone!

Best app for your smartphone and tablet. Tips, Reviews and Questions? Please send an email Thank you!